US Bridges

Co. Road 4101 over Trib Big Black River

Good

Attala County, Mississippi · Sec 22 T13N R 4E B · Structure no. SA0400000000023

Built
1980
45 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
90
2007 count
Owner
County
County Highway Agency

About this bridge

Co. Road 4101 over Trib Big Black River is a concrete culvert carrying Co. Road 4101 over Trib Big Black River in Attala County, Mississippi. It was built in 1980, so it is 45 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 90 vehicles a day, roughly 8% of them trucks, projected to reach 135 by 2032. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCo. Road 4101
CrossesTrib Big Black River
LocationSec 22 T13N R 4E B
RouteCounty Highway 1624
Coordinates32.97106, -89.8634
Functional classRural Major 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2007)
Projected traffic135 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$450,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Road 4101 over Trib Big Black River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Co. Road 4101 over Trib Big Black 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 February 2023.

How much traffic does Co. Road 4101 over Trib Big Black River carry?

About 90 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is Co. Road 4101 over Trib Big Black River?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m).

Who owns Co. Road 4101 over Trib Big Black River?

It is owned by the County Highway Agency.