US Bridges

IH 35 E FR over Frio River

Fair

Frio County, Texas · 2.30 MI SW of FM 1583 · Structure no. 150830001707028

Built
1922
103 years old, rebuilt 2008
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
273 ft
7 main spans
Daily traffic
940
2013 count
Owner
State
State Highway Agency

About this bridge

IH 35 E FR over Frio River is a concrete tee beam carrying IH 35 E FR over Frio River in Frio County, Texas. It was built in 1922 and reconstructed in 2008, so it is 103 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 940 vehicles a day, roughly 20% of them trucks, projected to reach 1,320 by 2033. The structure is 273 ft (83.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 35 E FR
CrossesFrio River
Location2.30 MI SW of FM 1583
RouteInterstate 35
CountyFrio County
StateTexas
Coordinates28.73881, -99.14388
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length273 ft (83.2 m)
Longest span39 ft (11.9 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2013)
Projected traffic1,320 by 2033
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$18,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 E FR over Frio River built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 2008.

What condition is IH 35 E FR over Frio River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does IH 35 E FR over Frio River carry?

About 940 vehicles per day (2013 count), of which roughly 20% are trucks.

How long is IH 35 E FR over Frio River?

The structure is 273 ft (83.2 m) long with a longest span of 39 ft (11.9 m) and a deck 34 ft wide.

Who owns IH 35 E FR over Frio River?

It is owned by the State Highway Agency.