US Bridges

IH 10 over Willow Creek

Good

Colorado County, Texas · 3.20 MI E of FM 949 · Structure no. 130450027101182

Built
1966
59 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
75 ft
7 main spans
Daily traffic
44,537
2021 count
Owner
State
State Highway Agency

About this bridge

IH 10 over Willow Creek is a concrete culvert carrying IH 10 over Willow Creek in Colorado 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 44,537 vehicles a day, roughly 29% of them trucks, projected to reach 62,352 by 2041. The structure is 75 ft (22.9 m) long and 117 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 10
CrossesWillow Creek
Location3.20 MI E of FM 949
RouteInterstate 10
StateTexas
Coordinates29.73489, -96.36305
Functional classRural Principal Arterial - Interstate

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 inspectionMarch 2023
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 spans7
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span10 ft (3 m)
Deck width117 ft (35.8 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,537 (2021)
Projected traffic62,352 by 2041
Trucks29%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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 IH 10 over Willow Creek built?

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

What condition is IH 10 over Willow 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 March 2023.

How much traffic does IH 10 over Willow Creek carry?

About 44,537 vehicles per day (2021 count), of which roughly 29% are trucks.

How long is IH 10 over Willow Creek?

The structure is 75 ft (22.9 m) long with a longest span of 10 ft (3 m) and a deck 117 ft wide.

Who owns IH 10 over Willow Creek?

It is owned by the State Highway Agency.