US Bridges

SH 6 over Brazos River

Fair

Knox County, Texas · 6.35 MI S. of US 82 · Structure no. 251380009805039

Built
2013
12 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
800 ft
10 main spans
Daily traffic
400
2020 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Brazos River is a prestressed concrete stringer/multi-beam or girder carrying SH 6 over Brazos River in Knox County, Texas. It was built in 2013, so it is 12 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 400 vehicles a day, roughly 43% of them trucks, projected to reach 820 by 2033. The structure is 800 ft (243.8 m) long and 46 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSH 6
CrossesBrazos River
Location6.35 MI S. of US 82
RouteState Highway 6
StateTexas
Coordinates33.50055, -99.80215
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable 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 spans10
Design loadHL 93
Structure length800 ft (243.8 m)
Longest span80 ft (24.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2020)
Projected traffic820 by 2033
Trucks43%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 SH 6 over Brazos River built?

It was built in 2013, making it 12 years old in 2025.

What condition is SH 6 over Brazos River 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 May 2023.

How much traffic does SH 6 over Brazos River carry?

About 400 vehicles per day (2020 count), of which roughly 43% are trucks.

How long is SH 6 over Brazos River?

The structure is 800 ft (243.8 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns SH 6 over Brazos River?

It is owned by the State Highway Agency.