US Bridges

Upland RD over Drain to Patten Slough

FairPosted for load

Morehouse Parish, Louisiana · 1.5 Mi. E. Int. 034 · Structure no. 053432436915181

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
150
1974 count
Owner
County
County Highway Agency

About this bridge

Upland RD over Drain to Patten Slough is a concrete slab carrying Upland RD over Drain to Patten Slough in Morehouse Parish, Louisiana. It was built in 1975, so it is 50 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, projected to reach 165 by 1994. The structure is 39 ft (11.9 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUpland RD
CrossesDrain to Patten Slough
Location1.5 Mi. E. Int. 034
RouteCounty Highway 0
Coordinates32.7266, -91.86337
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1974)
Projected traffic165 by 1994
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Upland RD over Drain to Patten Slough built?

It was built in 1975, making it 50 years old in 2025.

What condition is Upland RD over Drain to Patten 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 October 2024.

How much traffic does Upland RD over Drain to Patten Slough carry?

About 150 vehicles per day (1974 count).

How long is Upland RD over Drain to Patten Slough?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns Upland RD over Drain to Patten Slough?

It is owned by the County Highway Agency.