US Bridges

Old Liberty Road over Little Tangipahoa River

Good

Pike County, Mississippi · Sec 14 T 3N R 7E · Structure no. SA5700000000103

Built
2009
16 years old
Condition
Good
inspected April 2023
Type
Channel Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
160
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old Liberty Road over Little Tangipahoa River is a concrete channel beam carrying Old Liberty Road over Little Tangipahoa River in Pike County, Mississippi. It was built in 2009, so it is 16 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 160 vehicles a day, roughly 8% of them trucks, projected to reach 215 by 2043. The structure is 102 ft (31.1 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Liberty Road
CrossesLittle Tangipahoa River
LocationSec 14 T 3N R 7E
RouteCounty Highway 39
Coordinates31.22008, -90.47461
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating51.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2021)
Projected traffic215 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$432,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Liberty Road over Little Tangipahoa River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Old Liberty Road over Little Tangipahoa River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Old Liberty Road over Little Tangipahoa River carry?

About 160 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Old Liberty Road over Little Tangipahoa River?

The structure is 102 ft (31.1 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Old Liberty Road over Little Tangipahoa River?

It is owned by the City or Municipal Highway Agency.