US Bridges

US 59 over Flat Fork Crk Slough #1

Fair

Shelby County, Texas · 3.70 MI E of SH 87 · Structure no. 112100017504010

Built
1935
90 years old, rebuilt 1966
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
288 ft
18 main spans
Daily traffic
6,957
2020 count
Owner
State
State Highway Agency

About this bridge

US 59 over Flat Fork Crk Slough #1 is a concrete continuous slab carrying US 59 over Flat Fork Crk Slough #1 in Shelby County, Texas. It was built in 1935 and reconstructed in 1966, so it is 90 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 6,957 vehicles a day, roughly 11% of them trucks, projected to reach 9,044 by 2040. The structure is 288 ft (87.8 m) long and 54 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUS 59
CrossesFlat Fork Crk Slough #1
Location3.70 MI E of SH 87
RouteU.S. Route 59
CountyShelby County
StateTexas
Coordinates31.92018, -94.33947
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadH 15
Structure length288 ft (87.8 m)
Longest span16 ft (4.9 m)
Deck width54 ft (16.6 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,957 (2020)
Projected traffic9,044 by 2040
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$26,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 59 over Flat Fork Crk Slough #1 built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1966.

What condition is US 59 over Flat Fork Crk Slough #1 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 US 59 over Flat Fork Crk Slough #1 carry?

About 6,957 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is US 59 over Flat Fork Crk Slough #1?

The structure is 288 ft (87.8 m) long with a longest span of 16 ft (4.9 m) and a deck 54 ft wide.

Who owns US 59 over Flat Fork Crk Slough #1?

It is owned by the State Highway Agency.