US Bridges

US 277 over Las Moras Creek

Fair

Maverick County, Texas · 3.10 MI N of FM 1591 · Structure no. 221590029903015

Built
1938
87 years old, rebuilt 1972
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
320 ft
8 main spans
Daily traffic
2,954
2020 count
Owner
State
State Highway Agency

About this bridge

US 277 over Las Moras Creek is a steel stringer/multi-beam or girder carrying US 277 over Las Moras Creek in Maverick County, Texas. It was built in 1938 and reconstructed in 1972, so it is 87 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 2,954 vehicles a day, roughly 24% of them trucks, projected to reach 4,580 by 2036. The structure is 320 ft (97.5 m) long and 50 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesUS 277
CrossesLas Moras Creek
Location3.10 MI N of FM 1591
RouteU.S. Route 277
StateTexas
Coordinates29.00517, -100.63934
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 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 rating55 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.5 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 closed37.3 mi (60 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 Las Moras Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1972.

What condition is US 277 over Las Moras Creek 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 October 2023.

How much traffic does US 277 over Las Moras Creek carry?

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

How long is US 277 over Las Moras Creek?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.

Who owns US 277 over Las Moras Creek?

It is owned by the State Highway Agency.