US Bridges

SH 147 over Frizelle Branch

Good

San Augustine County, Texas · 1.30 MI S of FM 1279 · Structure no. 112030006403018

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
767
2024 count
Owner
State
State Highway Agency

About this bridge

SH 147 over Frizelle Branch is a concrete culvert carrying SH 147 over Frizelle Branch in San Augustine County, Texas. It was built in 1988, so it is 37 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 767 vehicles a day, roughly 10% of them trucks, projected to reach 1,197 by 2040. The structure is 21 ft (6.4 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSH 147
CrossesFrizelle Branch
Location1.30 MI S of FM 1279
RouteState Highway 147
StateTexas
Coordinates31.56946, -94.09035
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic767 (2024)
Projected traffic1,197 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 SH 147 over Frizelle Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is SH 147 over Frizelle Branch 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 SH 147 over Frizelle Branch carry?

About 767 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SH 147 over Frizelle Branch?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns SH 147 over Frizelle Branch?

It is owned by the State Highway Agency.