US Bridges

FM 2790 over Post Oak Creek

Good

Bexar County, Texas · 2.4 MI NE of Lp 1604 · Structure no. 150150174102004

Built
1989
36 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
76 ft
7 main spans
Daily traffic
3,002
2020 count
Owner
State
State Highway Agency

About this bridge

FM 2790 over Post Oak Creek is a concrete culvert carrying FM 2790 over Post Oak Creek in Bexar County, Texas. It was built in 1989, so it is 36 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,002 vehicles a day, roughly 15% of them trucks, projected to reach 4,900 by 2033. The structure is 76 ft (23.2 m) long and 42 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFM 2790
CrossesPost Oak Creek
Location2.4 MI NE of Lp 1604
RouteState Highway 2790
StateTexas
Coordinates29.26021, -98.635
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span10 ft (3.2 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,002 (2020)
Projected traffic4,900 by 2033
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

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 FM 2790 over Post Oak Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is FM 2790 over Post Oak Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does FM 2790 over Post Oak Creek carry?

About 3,002 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is FM 2790 over Post Oak Creek?

The structure is 76 ft (23.2 m) long with a longest span of 10 ft (3.2 m) and a deck 42 ft wide.

Who owns FM 2790 over Post Oak Creek?

It is owned by the State Highway Agency.