US Bridges

US 277 Bus over Corps Channel

Fair

Knox County, Texas · 0.55 MI S of SH 222 · Structure no. 251380015702047

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
2,600
2012 count
Owner
State
State Highway Agency

About this bridge

US 277 Bus over Corps Channel is a concrete stringer/multi-beam or girder carrying US 277 Bus over Corps Channel in Knox County, Texas. It was built in 1975, so it is 50 years old, older 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 2,600 vehicles a day, roughly 19% of them trucks, projected to reach 3,640 by 2034. The structure is 91 ft (27.7 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS 277 Bus
CrossesCorps Channel
Location0.55 MI S of SH 222
RouteU.S. Route 277
CountyKnox County
StateTexas
Coordinates33.44188, -99.62531
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.
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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.2 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2012)
Projected traffic3,640 by 2034
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 277 Bus over Corps Channel built?

It was built in 1975, making it 50 years old in 2025.

What condition is US 277 Bus over Corps Channel 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 Bus over Corps Channel carry?

About 2,600 vehicles per day (2012 count), of which roughly 19% are trucks.

How long is US 277 Bus over Corps Channel?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.2 m) and a deck 50 ft wide.

Who owns US 277 Bus over Corps Channel?

It is owned by the State Highway Agency.