US Bridges

FM 471 over Medina River

Good

Medina County, Texas · 0.53 MI N of FM 4713 · Structure no. 151630154701007

Built
1977
48 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
6,608
2023 count
Owner
State
State Highway Agency

About this bridge

FM 471 over Medina River is a prestressed concrete stringer/multi-beam or girder carrying FM 471 over Medina River in Medina County, Texas. It was built in 1977, so it is 48 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 6,608 vehicles a day, roughly 7% of them trucks, projected to reach 9,251 by 2042. The structure is 240 ft (73.2 m) long and 42 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFM 471
CrossesMedina River
Location0.53 MI N of FM 4713
RouteState Highway 471
StateTexas
Coordinates29.32419, -98.81311
Functional classRural Major 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: 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 spans2 (+2 approach)
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,608 (2023)
Projected traffic9,251 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 471 over Medina River built?

It was built in 1977, making it 48 years old in 2025.

What condition is FM 471 over Medina River 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 August 2024.

How much traffic does FM 471 over Medina River carry?

About 6,608 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FM 471 over Medina River?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns FM 471 over Medina River?

It is owned by the State Highway Agency.