US Bridges

FM 770 over Draw

Fair

Liberty County, Texas · 3.3 MI S of US 90 · Structure no. 201460109603021

Built
1955
70 years old, rebuilt 1961
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
929
2020 count
Owner
State
State Highway Agency

About this bridge

FM 770 over Draw is a concrete culvert carrying FM 770 over Draw in Liberty County, Texas. It was built in 1955 and reconstructed in 1961, so it is 70 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 929 vehicles a day, roughly 11% of them trucks, projected to reach 1,280 by 2033. The structure is 22 ft (6.7 m) long and 54 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFM 770
CrossesDraw
Location3.3 MI S of US 90
RouteState Highway 770
CountyLiberty County
StateTexas
Coordinates29.99414, -94.67469
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
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
DeckNot applicable
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width54 ft (16.6 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic929 (2020)
Projected traffic1,280 by 2033
Trucks11%
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 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 770 over Draw built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1961.

What condition is FM 770 over Draw 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 April 2024.

How much traffic does FM 770 over Draw carry?

About 929 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is FM 770 over Draw?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 54 ft wide.

Who owns FM 770 over Draw?

It is owned by the State Highway Agency.