US Bridges

N. Black Creek RD over Black Creek

Fair

Lamar County, Mississippi · Sec 18 T 4N R15W B · Structure no. SA3700000000090

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
6 main spans
Daily traffic
340
2024 count
Owner
County
County Highway Agency

About this bridge

N. Black Creek RD over Black Creek is a prestressed concrete stringer/multi-beam or girder carrying N. Black Creek RD over Black Creek in Lamar County, Mississippi. It was built in 1999, so it is 26 years old, younger 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 340 vehicles a day, roughly 5% of them trucks, projected to reach 660 by 2046. The structure is 240 ft (73.2 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN. Black Creek RD
CrossesBlack Creek
LocationSec 18 T 4N R15W B
RouteCounty Highway 89
Coordinates31.31224, -89.54252
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
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 rating76.7 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2024)
Projected traffic660 by 2046
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Black Creek RD over Black Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is N. Black Creek RD over Black Creek 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 February 2024.

How much traffic does N. Black Creek RD over Black Creek carry?

About 340 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is N. Black Creek RD over Black Creek?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns N. Black Creek RD over Black Creek?

It is owned by the County Highway Agency.