US Bridges

IH 37 over Draw

Fair

Bexar County, Texas · 1.20 MI S of Loop 122 · Structure no. 150150007308081

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
44,814
2016 count
Owner
State
State Highway Agency

About this bridge

IH 37 over Draw is a concrete culvert carrying IH 37 over Draw in Bexar County, Texas. It was built in 1967, so it is 58 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 44,814 vehicles a day, roughly 20% of them trucks, projected to reach 62,740 by 2036. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesIH 37
CrossesDraw
Location1.20 MI S of Loop 122
RouteInterstate 37
CountyBexar County
StateTexas
Coordinates29.29864, -98.39508
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,814 (2016)
Projected traffic62,740 by 2036
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 37 over Draw built?

It was built in 1967, making it 58 years old in 2025.

What condition is IH 37 over Draw in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does IH 37 over Draw carry?

About 44,814 vehicles per day (2016 count), of which roughly 20% are trucks.

How long is IH 37 over Draw?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m).

Who owns IH 37 over Draw?

It is owned by the State Highway Agency.