US Bridges

Enterprise Road over Little Tangipahoa River

FairPosted for load

Pike County, Mississippi · Sec 34 T 4N R 7E B · Structure no. SA5700000000151

Built
1965
60 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
450
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Enterprise Road over Little Tangipahoa River is a concrete channel beam carrying Enterprise Road over Little Tangipahoa River in Pike County, Mississippi. It was built in 1965, so it is 60 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 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 450 vehicles a day, roughly 8% of them trucks, projected to reach 675 by 2043. The structure is 38 ft (11.6 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesEnterprise Road
CrossesLittle Tangipahoa River
LocationSec 34 T 4N R 7E B
RouteCounty Highway 20
CountyPike County
StateMississippi
Coordinates31.26723, -90.49147
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.9 US tons
Inventory rating12.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2021)
Projected traffic675 by 2043
Trucks8%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$294,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Enterprise Road over Little Tangipahoa River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Enterprise Road over Little 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 December 2023.

How much traffic does Enterprise Road over Little Tangipahoa River carry?

About 450 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Enterprise Road over Little Tangipahoa River?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 21 ft wide.

Who owns Enterprise Road over Little Tangipahoa River?

It is owned by the City or Municipal Highway Agency.