US Bridges

US 277 over North Main Canal

Good

Maverick County, Texas · 3.5 MI N of FM 1591 · Structure no. 221590029903038

Built
1954
71 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
2,954
2020 count
Owner
State
State Highway Agency

About this bridge

US 277 over North Main Canal is a concrete stringer/multi-beam or girder carrying US 277 over North Main Canal in Maverick County, Texas. It was built in 1954, so it is 71 years old, older 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 2,954 vehicles a day, roughly 24% of them trucks, projected to reach 4,580 by 2036. The structure is 91 ft (27.7 m) long and 40 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesUS 277
CrossesNorth Main Canal
Location3.5 MI N of FM 1591
RouteU.S. Route 277
CountyMaverick County
StateTexas
Coordinates29.00947, -100.63959
Functional classRural Principal Arterial - Other

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,954 (2020)
Projected traffic4,580 by 2036
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
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 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 over North Main Canal built?

It was built in 1954, making it 71 years old in 2025.

What condition is US 277 over North Main Canal 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 October 2023.

How much traffic does US 277 over North Main Canal carry?

About 2,954 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is US 277 over North Main Canal?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns US 277 over North Main Canal?

It is owned by the State Highway Agency.