Structure 150150007308148 · Bexar County, TX

IH 37 SB over Cesar Chavez BLVD

Carries IH 37 SB over Cesar Chavez BLVD, 1.40 Mi N Of IH 10.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT260 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

260 ft end to end, longest span 75 ft: about 4 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197254 years old
Length259.8 ft79.2 m
Daily traffic60,072counted 2019
Last inspectedAugust 2022every 48 months

Location

StateTexas
CountyBexar
Location1.40 Mi N Of IH 10
CarriesIH 37 SB
CrossesCesar Chavez BLVD
Coordinates29.41424, -98.48047

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length259.8 ft (79.2 m)
Max Span75.1 ft (22.9 m)
Deck Width82.3 ft (25.1 m)
Deck Area1987.9 sq m
Main Spans4
Year Built1972

Traffic

Avg Daily Traffic60,072 (2019)
Truck Traffic3%
Lanes On Bridge5
Lanes Under Bridge7

Inspection & Ownership

Last InspectionAugust 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number150150007308148

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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