US Bridges

US 277 over San Pedro Ck / Amistad

Fair

Val Verde County, Texas · 3.6 MI N of US 90 · Structure no. 222330016007059

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,962 ft
28 main spans
Daily traffic
1,871
2023 count
Owner
State
State Highway Agency

About this bridge

US 277 over San Pedro Ck / Amistad is a prestressed concrete stringer/multi-beam or girder carrying US 277 over San Pedro Ck / Amistad in Val Verde County, Texas. It was built in 1964, so it is 61 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 1,871 vehicles a day, roughly 18% of them trucks, projected to reach 3,517 by 2042. The structure is 1,962 ft (598 m) long and 36 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

CarriesUS 277
CrossesSan Pedro Ck / Amistad
Location3.6 MI N of US 90
RouteU.S. Route 277
StateTexas
Coordinates29.49842, -100.91376
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 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 rating75 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans28
Design loadH 20
Structure length1,962 ft (598 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,871 (2023)
Projected traffic3,517 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.9 mi (98 km)
TollOn a free road
National Highway SystemYes

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 San Pedro Ck / Amistad built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 277 over San Pedro Ck / Amistad 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 San Pedro Ck / Amistad carry?

About 1,871 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is US 277 over San Pedro Ck / Amistad?

The structure is 1,962 ft (598 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns US 277 over San Pedro Ck / Amistad?

It is owned by the State Highway Agency.