US Bridges

US 77 SB over Ratliff ST

Good

Cameron County, Texas · 1.00 MI NW of FM 2520 · Structure no. 210310003907365

Built
2005
20 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
206 ft
1 main span
Daily traffic
30,150
2011 count
Owner
State
State Highway Agency

About this bridge

US 77 SB over Ratliff ST is a prestressed concrete stringer/multi-beam or girder carrying US 77 SB over Ratliff ST 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 30,150 vehicles a day, roughly 8% of them trucks, projected to reach 44,520 by 2031. The structure is 206 ft (62.8 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 SB
CrossesRatliff ST
Location1.00 MI NW of FM 2520
RouteU.S. Route 77
StateTexas
Coordinates26.13556, -97.64921
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length206 ft (62.8 m)
Longest span95 ft (29 m)
Deck width61 ft (18.5 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,150 (2011)
Projected traffic44,520 by 2031
Trucks8%
Lanes on structure3
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 Ratliff ST built?

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

What condition is US 77 SB over Ratliff ST 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 February 2023.

How much traffic does US 77 SB over Ratliff ST carry?

About 30,150 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is US 77 SB over Ratliff ST?

The structure is 206 ft (62.8 m) long with a longest span of 95 ft (29 m) and a deck 61 ft wide.

Who owns US 77 SB over Ratliff ST?

It is owned by the State Highway Agency.