US Bridges

US 277 over Sycamore Creek

Fair

Val Verde County, Texas · 11.75 MI SE of US 90 · Structure no. 222330029901043

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,200 ft
15 main spans
Daily traffic
2,417
2023 count
Owner
State
State Highway Agency

About this bridge

US 277 over Sycamore Creek is a prestressed concrete stringer/multi-beam or girder carrying US 277 over Sycamore Creek in Val Verde County, Texas. It was built in 1971, so it is 54 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 2,417 vehicles a day, roughly 4% of them trucks, projected to reach 3,930 by 2036. The structure is 1,200 ft (365.8 m) long and 50 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS 277
CrossesSycamore Creek
Location11.75 MI SE of US 90
RouteU.S. Route 277
StateTexas
Coordinates29.25522, -100.75138
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length1,200 ft (365.8 m)
Longest span80 ft (24.4 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,417 (2023)
Projected traffic3,930 by 2036
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Sycamore Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 277 over Sycamore 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 2024.

How much traffic does US 277 over Sycamore Creek carry?

About 2,417 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 277 over Sycamore Creek?

The structure is 1,200 ft (365.8 m) long with a longest span of 80 ft (24.4 m) and a deck 50 ft wide.

Who owns US 277 over Sycamore Creek?

It is owned by the State Highway Agency.