US Bridges

US 377 SB (wb) over Ramp B

Fair

Hood County, Texas · 0.5 MI W of FM-4 · Structure no. 021120008004056

Built
1966
59 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
136 ft
2 main spans
Daily traffic
33,938
2020 count
Owner
State
State Highway Agency

About this bridge

US 377 SB (wb) over Ramp B is a prestressed concrete stringer/multi-beam or girder carrying US 377 SB (wb) over Ramp B in Hood County, Texas. It was built in 1966, so it is 59 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 33,938 vehicles a day, roughly 5% of them trucks, projected to reach 20,980 by 2038. The structure is 136 ft (41.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 377 SB (wb)
CrossesRamp B
Location0.5 MI W of FM-4
RouteU.S. Route 377
StateTexas
Coordinates32.43943, -97.76261
Functional classUrban Other Principal Arterial

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.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadH 20
Structure length136 ft (41.5 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.3 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,938 (2020)
Projected traffic20,980 by 2038
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 377 SB (wb) over Ramp B built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 377 SB (wb) over Ramp B 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 December 2022.

How much traffic does US 377 SB (wb) over Ramp B carry?

About 33,938 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is US 377 SB (wb) over Ramp B?

The structure is 136 ft (41.5 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns US 377 SB (wb) over Ramp B?

It is owned by the State Highway Agency.