US Bridges

IH 37 over Draw

Fair

Bexar County, Texas · 0.40 MI S of Loop 1604 · Structure no. 150150007309094

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
32,283
2020 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 1979, so it is 46 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 32,283 vehicles a day, roughly 22% of them trucks, projected to reach 47,820 by 2036. The structure is 22 ft (6.7 m) long.

CarriesIH 37
CrossesDraw
Location0.40 MI S of Loop 1604
RouteInterstate 37
StateTexas
Coordinates29.21149, -98.41519
Functional classRural 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,283 (2020)
Projected traffic47,820 by 2036
Trucks22%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
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 1979, making it 46 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 32,283 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is IH 37 over Draw?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m).

Who owns IH 37 over Draw?

It is owned by the State Highway Agency.