US Bridges

FM 929 over Stillhouse Creek

Good

Coryell County, Texas · 0.27 MI E of SH 36 Bus · Structure no. 090500118701006

Built
1966
59 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
1,541
2015 count
Owner
State
State Highway Agency

About this bridge

FM 929 over Stillhouse Creek is a concrete culvert carrying FM 929 over Stillhouse Creek in Coryell County, Texas. It was built in 1966, so it is 59 years old, older 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 1,541 vehicles a day, roughly 15% of them trucks, projected to reach 1,930 by 2033. The structure is 34 ft (10.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 929
CrossesStillhouse Creek
Location0.27 MI E of SH 36 Bus
RouteState Highway 929
StateTexas
Coordinates31.46109, -97.73776
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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 spans4
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span8 ft (2.4 m)
Deck width45 ft (13.8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,541 (2015)
Projected traffic1,930 by 2033
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 929 over Stillhouse Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is FM 929 over Stillhouse 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 December 2024.

How much traffic does FM 929 over Stillhouse Creek carry?

About 1,541 vehicles per day (2015 count), of which roughly 15% are trucks.

How long is FM 929 over Stillhouse Creek?

The structure is 34 ft (10.4 m) long with a longest span of 8 ft (2.4 m) and a deck 45 ft wide.

Who owns FM 929 over Stillhouse Creek?

It is owned by the State Highway Agency.