US Bridges

US 69 over South Black Slough

Fair

Tyler County, Texas · 3.30 MI N of FM 2827 · Structure no. 202290020008025

Built
1932
93 years old, rebuilt 1980
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
55 ft
5 main spans
Daily traffic
6,408
2024 count
Owner
State
State Highway Agency

About this bridge

US 69 over South Black Slough is a concrete culvert carrying US 69 over South Black Slough in Tyler County, Texas. It was built in 1932 and reconstructed in 1980, so it is 93 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 6,408 vehicles a day, roughly 16% of them trucks, projected to reach 7,899 by 2042. The structure is 55 ft (16.8 m) long and 86 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 69
CrossesSouth Black Slough
Location3.30 MI N of FM 2827
RouteU.S. Route 69
StateTexas
Coordinates30.60185, -94.40245
Functional classRural Principal Arterial - Other

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 inspectionJune 2024
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
Deck geometry6: Equal to present minimum criteria
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
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length55 ft (16.8 m)
Longest span10 ft (3 m)
Deck width86 ft (26.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,408 (2024)
Projected traffic7,899 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 US 69 over South Black Slough built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1980.

What condition is US 69 over South Black Slough 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 June 2024.

How much traffic does US 69 over South Black Slough carry?

About 6,408 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is US 69 over South Black Slough?

The structure is 55 ft (16.8 m) long with a longest span of 10 ft (3 m) and a deck 86 ft wide.

Who owns US 69 over South Black Slough?

It is owned by the State Highway Agency.