US Bridges

Richmond RD over Mill Creek

Good

Covington County, Mississippi · Sec 20 T 6N R15W B · Structure no. SA1600000000010

Built
1991
34 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Richmond RD over Mill Creek is a concrete slab carrying Richmond RD over Mill Creek in Covington County, Mississippi. It was built in 1991, so it is 34 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 100 vehicles a day, projected to reach 150 by 2044. The structure is 95 ft (29 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRichmond RD
CrossesMill Creek
LocationSec 20 T 6N R15W B
RouteCounty Highway 140
Coordinates31.46463, -89.52923
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating47.2 US tons
Inventory rating28.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic150 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Richmond RD over Mill Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Richmond RD over Mill 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 November 2024.

How much traffic does Richmond RD over Mill Creek carry?

About 100 vehicles per day (2024 count).

How long is Richmond RD over Mill Creek?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Richmond RD over Mill Creek?

It is owned by the County Highway Agency.