US Bridges

SH 71 EB over Cottonwood Creek

Good

Bastrop County, Texas · 5.3 MI W of FM 1209 · Structure no. 140110026503046

Built
1949
76 years old, rebuilt 1965
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
52 ft
2 main spans
Daily traffic
22,851
2023 count
Owner
State
State Highway Agency

About this bridge

SH 71 EB over Cottonwood Creek is a concrete continuous slab carrying SH 71 EB over Cottonwood Creek in Bastrop County, Texas. It was built in 1949 and reconstructed in 1965, so it is 76 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 22,851 vehicles a day, roughly 10% of them trucks, projected to reach 29,707 by 2042. The structure is 52 ft (15.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 71 EB
CrossesCottonwood Creek
Location5.3 MI W of FM 1209
RouteState Highway 71
StateTexas
Coordinates30.16348, -97.50725
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length52 ft (15.9 m)
Longest span25 ft (7.6 m)
Deck width52 ft (16 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,851 (2023)
Projected traffic29,707 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 71 EB over Cottonwood Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1965.

What condition is SH 71 EB over Cottonwood 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 November 2024.

How much traffic does SH 71 EB over Cottonwood Creek carry?

About 22,851 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SH 71 EB over Cottonwood Creek?

The structure is 52 ft (15.9 m) long with a longest span of 25 ft (7.6 m) and a deck 52 ft wide.

Who owns SH 71 EB over Cottonwood Creek?

It is owned by the State Highway Agency.