US Bridges

Hamp Lea Road over Tangipahoa River

Fair

Pike County, Mississippi · Sec 22 T 2N R 7E B · Structure no. SA5700000000064

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
200 ft
5 main spans
Daily traffic
650
2021 count
Owner
County
County Highway Agency

About this bridge

Hamp Lea Road over Tangipahoa River is a concrete stringer/multi-beam or girder carrying Hamp Lea Road over Tangipahoa River in Pike County, Mississippi. It was built in 1964, so it is 61 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 650 vehicles a day, roughly 7% of them trucks, projected to reach 990 by 2043. The structure is 200 ft (61 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHamp Lea Road
CrossesTangipahoa River
LocationSec 22 T 2N R 7E B
RouteCounty Highway 164
Coordinates31.12842, -90.49261
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.8 US tons
Inventory rating32.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2021)
Projected traffic990 by 2043
Trucks7%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamp Lea Road over Tangipahoa River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Hamp Lea Road 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 April 2023.

How much traffic does Hamp Lea Road over Tangipahoa River carry?

About 650 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Hamp Lea Road over Tangipahoa River?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns Hamp Lea Road over Tangipahoa River?

It is owned by the County Highway Agency.