US Bridges

FM 2556 over US 83

Good

Cameron County, Texas · 1.50 MI W of FM 506 · Structure no. 210310003919184

Built
1969
56 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
418 ft
4 main spans
Daily traffic
3,816
2024 count
Owner
State
State Highway Agency

About this bridge

FM 2556 over US 83 is a prestressed concrete stringer/multi-beam or girder carrying FM 2556 over US 83 in Cameron County, Texas. It was built in 1969, so it is 56 years old, older 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 3,816 vehicles a day, roughly 25% of them trucks, projected to reach 2,200 by 2033. The structure is 418 ft (127.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 2556
CrossesUS 83
Location1.50 MI W of FM 506
RouteState Highway 2556
StateTexas
Coordinates26.16365, -97.84858
Functional classUrban Collector

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 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum 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 spans4 (+2 approach)
Design loadHS 20
Structure length418 ft (127.4 m)
Longest span85 ft (25.9 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,816 (2024)
Projected traffic2,200 by 2033
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 FM 2556 over US 83 built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM 2556 over US 83 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 FM 2556 over US 83 carry?

About 3,816 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is FM 2556 over US 83?

The structure is 418 ft (127.4 m) long with a longest span of 85 ft (25.9 m) and a deck 42 ft wide.

Who owns FM 2556 over US 83?

It is owned by the State Highway Agency.