US Bridges

Delaware Ave. Ext over Little Tangipahoa River

Good

Pike County, Mississippi · Sec 3 T 3N R 7E B · Structure no. SA5700000000094

Built
1969
56 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
2,200
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Delaware Ave. Ext over Little Tangipahoa River is a concrete culvert carrying Delaware Ave. Ext over Little Tangipahoa River in Pike County, Mississippi. It was built in 1969, so it is 56 years old, older 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 2,200 vehicles a day, roughly 8% of them trucks, projected to reach 3,300 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDelaware Ave. Ext
CrossesLittle Tangipahoa River
LocationSec 3 T 3N R 7E B
RouteCounty Highway 9617
Coordinates31.24942, -90.48589
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2021)
Projected traffic3,300 by 2043
Trucks8%
Lanes on structure4
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$276,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Delaware Ave. Ext over Little Tangipahoa River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Delaware Ave. Ext 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 Delaware Ave. Ext over Little Tangipahoa River carry?

About 2,200 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Delaware Ave. Ext over Little Tangipahoa River?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Delaware Ave. Ext over Little Tangipahoa River?

It is owned by the City or Municipal Highway Agency.