US Bridges

US 57 over Frio River Relief

Good

Frio County, Texas · 0.50 MI NE of FM 140 · Structure no. 150830027607049

Built
1957
68 years old, rebuilt 1971
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
7,458
2023 count
Owner
State
State Highway Agency

About this bridge

US 57 over Frio River Relief is a concrete culvert carrying US 57 over Frio River Relief in Frio County, Texas. It was built in 1957 and reconstructed in 1971, so it is 68 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 7,458 vehicles a day, roughly 31% of them trucks, projected to reach 4,690 by 2033. The structure is 23 ft (7 m) long and 84 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesUS 57
CrossesFrio River Relief
Location0.50 MI NE of FM 140
RouteU.S. Route 57
CountyFrio County
StateTexas
Coordinates28.97833, -99.23781
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadOther
Structure length23 ft (7 m)
Longest span5 ft (1.5 m)
Deck width84 ft (25.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,458 (2023)
Projected traffic4,690 by 2033
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 57 over Frio River Relief built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1971.

What condition is US 57 over Frio River Relief 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 July 2024.

How much traffic does US 57 over Frio River Relief carry?

About 7,458 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is US 57 over Frio River Relief?

The structure is 23 ft (7 m) long with a longest span of 5 ft (1.5 m) and a deck 84 ft wide.

Who owns US 57 over Frio River Relief?

It is owned by the State Highway Agency.