US Bridges

FM 770 over Little Pine Island Bayou

Good

Hardin County, Texas · 0.20 MI SW of FM 787 · Structure no. 201010109601028

Built
2001
24 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
285 ft
6 main spans
Daily traffic
2,850
2022 count
Owner
State
State Highway Agency

About this bridge

FM 770 over Little Pine Island Bayou is a prestressed concrete stringer/multi-beam or girder carrying FM 770 over Little Pine Island Bayou in Hardin County, Texas. It was built in 2001, so it is 24 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 2,850 vehicles a day, roughly 20% of them trucks, projected to reach 4,480 by 2033. The structure is 285 ft (86.9 m) long and 46 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesFM 770
CrossesLittle Pine Island Bayou
Location0.20 MI SW of FM 787
RouteState Highway 770
StateTexas
Coordinates30.28216, -94.5361
Functional classRural 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span49 ft (14.9 m)
Deck width46 ft (13.9 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,850 (2022)
Projected traffic4,480 by 2033
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 770 over Little Pine Island Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is FM 770 over Little Pine Island 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 April 2024.

How much traffic does FM 770 over Little Pine Island Bayou carry?

About 2,850 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is FM 770 over Little Pine Island Bayou?

The structure is 285 ft (86.9 m) long with a longest span of 49 ft (14.9 m) and a deck 46 ft wide.

Who owns FM 770 over Little Pine Island Bayou?

It is owned by the State Highway Agency.