US Bridges

US 77 SB over FM 802

Good

Cameron County, Texas · 2.10 MI NW of SH 48 · Structure no. 210310003916387

Built
2005
20 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
271 ft
1 main span
Daily traffic
32,120
2011 count
Owner
State
State Highway Agency

About this bridge

US 77 SB over FM 802 is a prestressed concrete stringer/multi-beam or girder carrying US 77 SB over FM 802 in Cameron County, Texas. It was built in 2005, so it is 20 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,120 vehicles a day, roughly 8% of them trucks, projected to reach 45,490 by 2031. The structure is 271 ft (82.6 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 SB
CrossesFM 802
Location2.10 MI NW of SH 48
RouteU.S. Route 77
StateTexas
Coordinates25.94936, -97.50506
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than 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 spans1 (+2 approach)
Design loadHS 25 or greater
Structure length271 ft (82.6 m)
Longest span132 ft (40.2 m)
Deck width71 ft (21.6 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,120 (2011)
Projected traffic45,490 by 2031
Trucks8%
Lanes on structure4
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 SB over FM 802 built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 77 SB over FM 802 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does US 77 SB over FM 802 carry?

About 32,120 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is US 77 SB over FM 802?

The structure is 271 ft (82.6 m) long with a longest span of 132 ft (40.2 m) and a deck 71 ft wide.

Who owns US 77 SB over FM 802?

It is owned by the State Highway Agency.