US Bridges

FM 266 over Brazos River

Good

Knox County, Texas · 4.65 MI S of US 82 · Structure no. 251380075801005

Built
2001
24 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
840 ft
12 main spans
Daily traffic
143
2020 count
Owner
State
State Highway Agency

About this bridge

FM 266 over Brazos River is a prestressed concrete stringer/multi-beam or girder carrying FM 266 over Brazos River in Knox County, Texas. It was built in 2001, so it is 24 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 143 vehicles a day, roughly 32% of them trucks, projected to reach 200 by 2035. The structure is 840 ft (256 m) long and 34 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesFM 266
CrossesBrazos River
Location4.65 MI S of US 82
RouteState Highway 266
StateTexas
Coordinates33.55937, -99.51121
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than 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 spans12
Design loadHS 20
Structure length840 ft (256 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143 (2020)
Projected traffic200 by 2035
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 266 over Brazos River built?

It was built in 2001, making it 24 years old in 2025.

What condition is FM 266 over Brazos River 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 266 over Brazos River carry?

About 143 vehicles per day (2020 count), of which roughly 32% are trucks.

How long is FM 266 over Brazos River?

The structure is 840 ft (256 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns FM 266 over Brazos River?

It is owned by the State Highway Agency.