US Bridges

US 77 NB over FM 624

Fair

Nueces County, Texas · 0.8 MI S of IH 37 · Structure no. 161780037301028

Built
1987
38 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
295 ft
3 main spans
Daily traffic
10,222
2020 count
Owner
State
State Highway Agency

About this bridge

US 77 NB over FM 624 is a prestressed concrete stringer/multi-beam or girder carrying US 77 NB over FM 624 in Nueces County, Texas. It was built in 1987, so it is 38 years old, younger 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 10,222 vehicles a day, roughly 35% of them trucks, projected to reach 17,800 by 2030. The structure is 295 ft (89.9 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesUS 77 NB
CrossesFM 624
Location0.8 MI S of IH 37
RouteU.S. Route 77
CountyNueces County
StateTexas
Coordinates27.856, -97.63001
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length295 ft (89.9 m)
Longest span115 ft (35.1 m)
Deck width47 ft (14.3 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,222 (2020)
Projected traffic17,800 by 2030
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 77 NB over FM 624 built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 77 NB over FM 624 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 May 2022.

How much traffic does US 77 NB over FM 624 carry?

About 10,222 vehicles per day (2020 count), of which roughly 35% are trucks.

How long is US 77 NB over FM 624?

The structure is 295 ft (89.9 m) long with a longest span of 115 ft (35.1 m) and a deck 47 ft wide.

Who owns US 77 NB over FM 624?

It is owned by the State Highway Agency.