US Bridges

FM 2104 over Pin Oak Creek

Fair

Bastrop County, Texas · 4.0 MI S of FM 2239 · Structure no. 140110208301005

Built
1958
67 years old, rebuilt 1991
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
165 ft
3 main spans
Daily traffic
1,629
2020 count
Owner
State
State Highway Agency

About this bridge

FM 2104 over Pin Oak Creek is a concrete continuous slab carrying FM 2104 over Pin Oak Creek in Bastrop County, Texas. It was built in 1958 and reconstructed in 1991, so it is 67 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 1,629 vehicles a day, roughly 7% of them trucks, projected to reach 2,080 by 2039. The structure is 165 ft (50.3 m) long and 42 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesFM 2104
CrossesPin Oak Creek
Location4.0 MI S of FM 2239
RouteState Highway 2104
CountyBastrop County
StateTexas
Coordinates30.08069, -97.08741
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadOther
Structure length165 ft (50.3 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,629 (2020)
Projected traffic2,080 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 2104 over Pin Oak Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1991.

What condition is FM 2104 over Pin Oak Creek 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 December 2024.

How much traffic does FM 2104 over Pin Oak Creek carry?

About 1,629 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FM 2104 over Pin Oak Creek?

The structure is 165 ft (50.3 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns FM 2104 over Pin Oak Creek?

It is owned by the State Highway Agency.