US Bridges

Osyka Progress Rd. over Tangipahoa River

Fair

Pike County, Mississippi · Sec 36 T 1N R 7E B · Structure no. SA5700000000018

Built
1982
43 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
460 ft
9 main spans
Daily traffic
1,100
2021 count
Owner
County
County Highway Agency

About this bridge

Osyka Progress Rd. over Tangipahoa River is a prestressed concrete stringer/multi-beam or girder carrying Osyka Progress Rd. over Tangipahoa River in Pike County, Mississippi. It was built in 1982, so it is 43 years old, older than the Mississippi average of 38.9 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,650 by 2043. The structure is 460 ft (140.2 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOsyka Progress Rd.
CrossesTangipahoa River
LocationSec 36 T 1N R 7E B
RouteCounty Highway 246
Coordinates31.01203, -90.46231
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating21.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length460 ft (140.2 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2021)
Projected traffic1,650 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Osyka Progress Rd. over Tangipahoa River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Osyka Progress Rd. over Tangipahoa River 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 February 2023.

How much traffic does Osyka Progress Rd. over Tangipahoa River carry?

About 1,100 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Osyka Progress Rd. over Tangipahoa River?

The structure is 460 ft (140.2 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns Osyka Progress Rd. over Tangipahoa River?

It is owned by the County Highway Agency.