US Bridges

FM 187 over Sabinal River

Good

Bandera County, Texas · 0.75 MI N of FM 470 · Structure no. 150100067802004

Built
1947
78 years old, rebuilt 2006
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
908
2020 count
Owner
State
State Highway Agency

About this bridge

FM 187 over Sabinal River is a concrete culvert carrying FM 187 over Sabinal River in Bandera County, Texas. It was built in 1947 and reconstructed in 2006, so it is 78 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 908 vehicles a day, roughly 14% of them trucks, projected to reach 650 by 2033. The structure is 22 ft (6.7 m) long and 38 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

CarriesFM 187
CrossesSabinal River
Location0.75 MI N of FM 470
RouteState Highway 187
StateTexas
Coordinates29.6662, -99.5446
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic908 (2020)
Projected traffic650 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 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 FM 187 over Sabinal River built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2006.

What condition is FM 187 over Sabinal 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 May 2024.

How much traffic does FM 187 over Sabinal River carry?

About 908 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is FM 187 over Sabinal River?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m) and a deck 38 ft wide.

Who owns FM 187 over Sabinal River?

It is owned by the State Highway Agency.