US Bridges

FM 2304 over N Trib Slaughter Creek

Good

Travis County, Texas · 4.8 MI S US 290 · Structure no. 142270268901002

Built
1963
62 years old, rebuilt 1999
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
49 ft
5 main spans
Daily traffic
34,033
2022 count
Owner
State
State Highway Agency

About this bridge

FM 2304 over N Trib Slaughter Creek is a concrete culvert carrying FM 2304 over N Trib Slaughter Creek in Travis County, Texas. It was built in 1963 and reconstructed in 1999, so it is 62 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 34,033 vehicles a day, roughly 2% of them trucks, projected to reach 47,646 by 2042. The structure is 49 ft (14.9 m) long and 109 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 2304
CrossesN Trib Slaughter Creek
Location4.8 MI S US 290
RouteState Highway 2304
StateTexas
Coordinates30.16938, -97.82554
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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
Deck geometry9: Superior to present desirable criteria
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 spans5
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span9 ft (2.7 m)
Deck width109 ft (33.2 m)
Roadway width92 ft (27.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,033 (2022)
Projected traffic47,646 by 2042
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2304 over N Trib Slaughter Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1999.

What condition is FM 2304 over N Trib Slaughter 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 2304 over N Trib Slaughter Creek carry?

About 34,033 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is FM 2304 over N Trib Slaughter Creek?

The structure is 49 ft (14.9 m) long with a longest span of 9 ft (2.7 m) and a deck 109 ft wide.

Who owns FM 2304 over N Trib Slaughter Creek?

It is owned by the State Highway Agency.