US Bridges

Beck Prairie RD over South Walnut Creek

FairPosted for load

Robertson County, Texas · 1.45 MI NW of FM 979 · Structure no. 171980AA0140004

Built
1989
36 years old, rebuilt 2003
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
72
2022 count
Owner
County
County Highway Agency

About this bridge

Beck Prairie RD over South Walnut Creek is a steel stringer/multi-beam or girder carrying Beck Prairie RD over South Walnut Creek in Robertson County, Texas. It was built in 1989 and reconstructed in 2003, so it is 36 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 72 vehicles a day, roughly 3% of them trucks, projected to reach 72 by 2042. The structure is 41 ft (12.5 m) long and 15 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesBeck Prairie RD
CrossesSouth Walnut Creek
Location1.45 MI NW of FM 979
RouteCounty Highway 129
CountyRobertson County
StateTexas
Coordinates31.07451, -96.58134
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11 US tons
Inventory rating6.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span35 ft (10.7 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2022)
Projected traffic72 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$254,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Beck Prairie RD over South Walnut Creek built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2003.

What condition is Beck Prairie RD over South Walnut 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 October 2023.

How much traffic does Beck Prairie RD over South Walnut Creek carry?

About 72 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Beck Prairie RD over South Walnut Creek?

The structure is 41 ft (12.5 m) long with a longest span of 35 ft (10.7 m) and a deck 15 ft wide.

Who owns Beck Prairie RD over South Walnut Creek?

It is owned by the County Highway Agency.