US Bridges

Oloh Road over Black Creek

Good

Lamar County, Mississippi · Sec 2 T 4N R16W B · Structure no. SA3700000000097

Built
1994
31 years old
Condition
Good
inspected February 2024
Type
Channel Beam
Concrete
Length
217 ft
7 main spans
Daily traffic
450
2024 count
Owner
County
County Highway Agency

About this bridge

Oloh Road over Black Creek is a concrete channel beam carrying Oloh Road over Black Creek in Lamar County, Mississippi. It was built in 1994, so it is 31 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 600 by 2046. The structure is 217 ft (66.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOloh Road
CrossesBlack Creek
LocationSec 2 T 4N R16W B
RouteCounty Highway 203
Coordinates31.33545, -89.57418
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating50 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2024)
Projected traffic600 by 2046
Trucks10%
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 Oloh Road over Black Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Oloh Road over Black Creek 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 2024.

How much traffic does Oloh Road over Black Creek carry?

About 450 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Oloh Road over Black Creek?

The structure is 217 ft (66.1 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Oloh Road over Black Creek?

It is owned by the County Highway Agency.