US Bridges

FM 1187 over IH 20

Good

Parker County, Texas · 1.8 MI W of IH 30 · Structure no. 021840000803280

Built
1978
47 years old, rebuilt 2018
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
375 ft
4 main spans
Daily traffic
23,790
2024 count
Owner
State
State Highway Agency

About this bridge

FM 1187 over IH 20 is a prestressed concrete stringer/multi-beam or girder carrying FM 1187 over IH 20 in Parker County, Texas. It was built in 1978 and reconstructed in 2018, so it is 47 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 23,790 vehicles a day, roughly 3% of them trucks, projected to reach 16,660 by 2038. The structure is 375 ft (114.3 m) long and 86 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 1187
CrossesIH 20
Location1.8 MI W of IH 30
RouteState Highway 1187
StateTexas
Coordinates32.72869, -97.59995
Functional classUrban Minor Arterial

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.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length375 ft (114.3 m)
Longest span95 ft (29 m)
Deck width86 ft (26.2 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,790 (2024)
Projected traffic16,660 by 2038
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 1187 over IH 20 built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2018.

What condition is FM 1187 over IH 20 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 September 2022.

How much traffic does FM 1187 over IH 20 carry?

About 23,790 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is FM 1187 over IH 20?

The structure is 375 ft (114.3 m) long with a longest span of 95 ft (29 m) and a deck 86 ft wide.

Who owns FM 1187 over IH 20?

It is owned by the State Highway Agency.