US Bridges

Ss 147 over Drainage Ditch

Fair

Smith County, Texas · 1.1 MI W of US 271 · Structure no. 102120019008040

Built
1971
54 years old, rebuilt 2018
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
21,882
2021 count
Owner
State
State Highway Agency

About this bridge

Ss 147 over Drainage Ditch is a concrete culvert carrying Ss 147 over Drainage Ditch in Smith County, Texas. It was built in 1971 and reconstructed in 2018, so it is 54 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 21,882 vehicles a day, roughly 4% of them trucks, projected to reach 30,635 by 2041. The structure is 27 ft (8.2 m) long and 233 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSs 147
CrossesDrainage Ditch
Location1.1 MI W of US 271
RouteState Highway 147
StateTexas
Coordinates32.35962, -95.30891
Functional classUrban Other Principal Arterial

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width233 ft (70.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,882 (2021)
Projected traffic30,635 by 2041
Trucks4%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Ss 147 over Drainage Ditch built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2018.

What condition is Ss 147 over Drainage Ditch 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 March 2023.

How much traffic does Ss 147 over Drainage Ditch carry?

About 21,882 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Ss 147 over Drainage Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m) and a deck 233 ft wide.

Who owns Ss 147 over Drainage Ditch?

It is owned by the State Highway Agency.