US Bridges

SH 123 over Little Cottonwood Creek

Good

Hays County, Texas · 2.8 MI S of FM 3407 · Structure no. 141060036601001

Built
1929
96 years old, rebuilt 1974
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
34 ft
6 main spans
Daily traffic
12,117
2019 count
Owner
State
State Highway Agency

About this bridge

SH 123 over Little Cottonwood Creek is a concrete culvert carrying SH 123 over Little Cottonwood Creek in Hays County, Texas. It was built in 1929 and reconstructed in 1974, so it is 96 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 12,117 vehicles a day, roughly 10% of them trucks, projected to reach 21,811 by 2039. The structure is 34 ft (10.4 m) long and 85 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH 123
CrossesLittle Cottonwood Creek
Location2.8 MI S of FM 3407
RouteState Highway 123
StateTexas
Coordinates29.80629, -97.94454
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy7: Better than 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 spans6
Design loadH 15
Structure length34 ft (10.4 m)
Longest span5 ft (1.5 m)
Deck width85 ft (26 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,117 (2019)
Projected traffic21,811 by 2039
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 SH 123 over Little Cottonwood Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1974.

What condition is SH 123 over Little 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 September 2024.

How much traffic does SH 123 over Little Cottonwood Creek carry?

About 12,117 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is SH 123 over Little Cottonwood Creek?

The structure is 34 ft (10.4 m) long with a longest span of 5 ft (1.5 m) and a deck 85 ft wide.

Who owns SH 123 over Little Cottonwood Creek?

It is owned by the State Highway Agency.