US Bridges

FM 1626 over Onion Creek

Good

Hays County, Texas · 2.0 MI S of FM 967 · Structure no. 141060153901004

Built
1991
34 years old, rebuilt 2020
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
520 ft
6 main spans
Daily traffic
32,517
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1626 over Onion Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 1626 over Onion Creek in Hays County, Texas. It was built in 1991 and reconstructed in 2020, so it is 34 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 32,517 vehicles a day, roughly 5% of them trucks, projected to reach 45,524 by 2042. The structure is 520 ft (158.5 m) long and 74 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 1626
CrossesOnion Creek
Location2.0 MI S of FM 967
RouteState Highway 1626
StateTexas
Coordinates30.06884, -97.87405
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length520 ft (158.5 m)
Longest span100 ft (30.5 m)
Deck width74 ft (22.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,517 (2023)
Projected traffic45,524 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 1626 over Onion Creek built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2020.

What condition is FM 1626 over Onion 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 September 2024.

How much traffic does FM 1626 over Onion Creek carry?

About 32,517 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FM 1626 over Onion Creek?

The structure is 520 ft (158.5 m) long with a longest span of 100 ft (30.5 m) and a deck 74 ft wide.

Who owns FM 1626 over Onion Creek?

It is owned by the State Highway Agency.