Structure Feature Average Daily Rating Year built
HOUGHTON ROAD P RAILROAD 200 11.4 1935
IRR BIA RTE 10 WASH 0 17 1950
TRICO RD SANTA CRUZ RIVER 1850 18.8 1962
MILE WIDE ROAD JONES WASH 50 21.6 1965
RIVER ROAD VENTANA WASH 4000 24.2 1967
MILE WIDE ROAD BRAWLEY WASH 50 26.3 1962
HOUGHTON ROAD SMALL WASH 3500 27.8 1962
TRICO-MARANA ROAD SANTA CRUZ RIVER 1000 31.6 1959
TELERA ST (AJO) AJO WASH 200 33 1935
IRR BIA RTE 161 WASH 250 33.4 1998
IRR MISSION RD MINE HAUL ROAD 400 38.1 1973
I 10; WB EARP WASH TRIB 27000 51.9 1958
INA ROAD SANTA CRUZ RIVER 13900 52.2 1977
WB FRONTAGE ROAD EARP WASH TRIB 1200 56.3 1960
I 10; WB CIENEGA CREEK 27000 59.5 1961
I 10; EB RUTHRAUFF RD 70500 61.8 1965
I 10; EB INA ROAD 42250 63.9 1965
I 10; WB INA ROAD 42250 63.9 1965
I 10; EB CIENEGA CREEK 13500 64 1955
I 10; EB AJO WAY 37600 64.2 1965
I 10; WB AJO WAY; FAU 8173 37600 64.2 1965
I 10; EB CRAYCROFT RD 27000 66 1960
I 10; EB WILMOT RD 24500 66 1960
I 10; EB COUNTRY CLUB ROAD 33450 66.6 1966
I 10; WB PALO VERDE ROAD 31076 66.8 1967
CALLE SANTA CRUZ VALENCIA WASH 1000 67.8 1984
22ND STREET SPRR; AVIATION HWY 49686 68.6 1965
I 19; W FR RD OLD JUNCTION WASH 50 68.9 1932
I 10; FRONTAGE RD WASH 400 69.9 1929
AVRA VALLEY ROAD E BRANCH BRAWLEY WASH 2000 79.2 1957
I 10; WB CRAYCROFT RD 27000 82 1960
I 10; WB WILMOT RD 24500 82 1960
IRR I 19; SB PIMA MINE RD 17500 92 1968
IRR I 19; NB SANTA CRUZ RIVER 20050 94 1967
IRR I 19; SB SANTA CRUZ RIVER 20050 94 1967

In 2013, 43 of the roughly 1,200 bridges and other bridgelike structures in Pima County were listed as structurally deficient. 

This rating is based on biennial inspections of the deck, superstructure and substructure of each one. Bridges rated 100 are perfect.