US Bridges

US 277 SB over FM 266

Fair

Knox County, Texas · 5.80 MI N. of SH 222 · Structure no. 251380015702061

Built
2006
19 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
1,140
2013 count
Owner
State
State Highway Agency

About this bridge

US 277 SB over FM 266 is a prestressed concrete stringer/multi-beam or girder carrying US 277 SB over FM 266 in Knox County, Texas. It was built in 2006, so it is 19 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 1,140 vehicles a day, roughly 29% of them trucks, projected to reach 1,590 by 2033. The structure is 110 ft (33.5 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesUS 277 SB
CrossesFM 266
Location5.80 MI N. of SH 222
RouteU.S. Route 277
CountyKnox County
StateTexas
Coordinates33.46408, -99.5244
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,140 (2013)
Projected traffic1,590 by 2033
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 277 SB over FM 266 built?

It was built in 2006, making it 19 years old in 2025.

What condition is US 277 SB over FM 266 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 US 277 SB over FM 266 carry?

About 1,140 vehicles per day (2013 count), of which roughly 29% are trucks.

How long is US 277 SB over FM 266?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 40 ft wide.

Who owns US 277 SB over FM 266?

It is owned by the State Highway Agency.