US Bridges

FM 1229 over Willow Creek

Good

Mitchell County, Texas · 1.6 MI SE of SH 350 · Structure no. 081680136202003

Built
1988
37 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
63 ft
6 main spans
Daily traffic
132
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1229 over Willow Creek is a concrete culvert carrying FM 1229 over Willow Creek in Mitchell County, Texas. It was built in 1988, so it is 37 years old, younger 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 132 vehicles a day, roughly 24% of them trucks, projected to reach 330 by 2033. The structure is 63 ft (19.2 m) long and 30 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesFM 1229
CrossesWillow Creek
Location1.6 MI SE of SH 350
RouteState Highway 1229
StateTexas
Coordinates32.51124, -101.05687
Functional classRural Major Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 loadHS 20
Structure length63 ft (19.2 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2020)
Projected traffic330 by 2033
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1229 over Willow Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is FM 1229 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 May 2023.

How much traffic does FM 1229 over Willow Creek carry?

About 132 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is FM 1229 over Willow Creek?

The structure is 63 ft (19.2 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns FM 1229 over Willow Creek?

It is owned by the State Highway Agency.