US Bridges

SH 6 SB over Walnut Creek

Fair

Robertson County, Texas · 0.75 MI S of FM 2159 · Structure no. 171980004906155

Built
2008
17 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
3 main spans
Daily traffic
5,051
2023 count
Owner
State
State Highway Agency

About this bridge

SH 6 SB over Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 6 SB over Walnut Creek in Robertson County, Texas. It was built in 2008, so it is 17 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.

It carries about 5,051 vehicles a day, roughly 38% of them trucks, projected to reach 8,688 by 2042. The structure is 210 ft (64 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 6 SB
CrossesWalnut Creek
Location0.75 MI S of FM 2159
RouteState Highway 6
StateTexas
Coordinates31.01011, -96.70271
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length210 ft (64 m)
Longest span70 ft (21.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,051 (2023)
Projected traffic8,688 by 2042
Trucks38%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SH 6 SB over Walnut Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is SH 6 SB over 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 November 2024.

How much traffic does SH 6 SB over Walnut Creek carry?

About 5,051 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is SH 6 SB over Walnut Creek?

The structure is 210 ft (64 m) long with a longest span of 70 ft (21.3 m) and a deck 40 ft wide.

Who owns SH 6 SB over Walnut Creek?

It is owned by the State Highway Agency.