US Bridges

FM 787 over Tarkington Bayou

Good

Liberty County, Texas · 2.2 MI E of SH 321 · Structure no. 201460081301154

Built
2015
10 years old
Condition
Good
inspected March 2024
Type
Other
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
5,560
2022 count
Owner
State
State Highway Agency

About this bridge

FM 787 over Tarkington Bayou is a prestressed concrete other carrying FM 787 over Tarkington Bayou in Liberty County, Texas. It was built in 2015, so it is 10 years old, younger 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 5,560 vehicles a day, roughly 19% of them trucks, projected to reach 7,784 by 2042. The structure is 150 ft (45.7 m) long and 50 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 787
CrossesTarkington Bayou
Location2.2 MI E of SH 321
RouteState Highway 787
StateTexas
Coordinates30.35464, -95.05304
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,560 (2022)
Projected traffic7,784 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 787 over Tarkington Bayou built?

It was built in 2015, making it 10 years old in 2025.

What condition is FM 787 over Tarkington Bayou 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 March 2024.

How much traffic does FM 787 over Tarkington Bayou carry?

About 5,560 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is FM 787 over Tarkington Bayou?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 50 ft wide.

Who owns FM 787 over Tarkington Bayou?

It is owned by the State Highway Agency.