US Bridges

FM 1129 over Grays Creek

Fair

Navarro County, Texas · 1.30 MI N of FM 1603 · Structure no. 181750071902003

Built
1951
74 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
100 ft
4 main spans
Daily traffic
1,425
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1129 over Grays Creek is a concrete slab carrying FM 1129 over Grays Creek in Navarro County, Texas. It was built in 1951, so it is 74 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 5 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 1,425 vehicles a day, roughly 12% of them trucks, projected to reach 1,140 by 2033. The structure is 100 ft (30.5 m) long and 25 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesFM 1129
CrossesGrays Creek
Location1.30 MI N of FM 1603
RouteState Highway 1129
StateTexas
Coordinates32.27148, -96.4012
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length100 ft (30.5 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,425 (2023)
Projected traffic1,140 by 2033
Trucks12%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1129 over Grays Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is FM 1129 over Grays 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 January 2024.

How much traffic does FM 1129 over Grays Creek carry?

About 1,425 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FM 1129 over Grays Creek?

The structure is 100 ft (30.5 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns FM 1129 over Grays Creek?

It is owned by the State Highway Agency.