US Bridges

US 77 NB over FM 1945

Fair

San Patricio County, Texas · 1.85 MI S of SH 188 · Structure no. 162050037201016

Built
1991
34 years old
Condition
Fair
inspected March 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
308 ft
3 main spans
Daily traffic
6,880
2016 count
Owner
State
State Highway Agency

About this bridge

US 77 NB over FM 1945 is a prestressed concrete stringer/multi-beam or girder carrying US 77 NB over FM 1945 in San Patricio County, Texas. It was built in 1991, so it is 34 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 6,880 vehicles a day, roughly 27% of them trucks, projected to reach 8,920 by 2033. The structure is 308 ft (93.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 NB
CrossesFM 1945
Location1.85 MI S of SH 188
RouteU.S. Route 77
StateTexas
Coordinates28.01092, -97.53042
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length308 ft (93.9 m)
Longest span112 ft (34.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,880 (2016)
Projected traffic8,920 by 2033
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 1945 built?

It was built in 1991, making it 34 years old in 2025.

What condition is US 77 NB over FM 1945 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 March 2022.

How much traffic does US 77 NB over FM 1945 carry?

About 6,880 vehicles per day (2016 count), of which roughly 27% are trucks.

How long is US 77 NB over FM 1945?

The structure is 308 ft (93.9 m) long with a longest span of 112 ft (34.1 m) and a deck 40 ft wide.

Who owns US 77 NB over FM 1945?

It is owned by the State Highway Agency.