US Bridges

FM 3006 over IH 37

Fair

Atascosa County, Texas · 4.00 MI N of SH 97 · Structure no. 150070007310234

Built
1979
46 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
312 ft
2 main spans
Daily traffic
2,400
2013 count
Owner
State
State Highway Agency

About this bridge

FM 3006 over IH 37 is a prestressed concrete stringer/multi-beam or girder carrying FM 3006 over IH 37 in Atascosa County, Texas. It was built in 1979, so it is 46 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 2,400 vehicles a day, roughly 19% of them trucks, projected to reach 3,360 by 2033. The structure is 312 ft (95.1 m) long and 42 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFM 3006
CrossesIH 37
Location4.00 MI N of SH 97
RouteState Highway 3006
StateTexas
Coordinates29.05166, -98.4318
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: 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 length312 ft (95.1 m)
Longest span106 ft (32.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2013)
Projected traffic3,360 by 2033
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 3006 over IH 37 built?

It was built in 1979, making it 46 years old in 2025.

What condition is FM 3006 over IH 37 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 May 2022.

How much traffic does FM 3006 over IH 37 carry?

About 2,400 vehicles per day (2013 count), of which roughly 19% are trucks.

How long is FM 3006 over IH 37?

The structure is 312 ft (95.1 m) long with a longest span of 106 ft (32.3 m) and a deck 42 ft wide.

Who owns FM 3006 over IH 37?

It is owned by the State Highway Agency.