US Bridges

CR 231 over Unnamed Creek

Good

Lee County, Mississippi · Sec 10 T 7S R 5E B · Structure no. SA4100000000002

Built
1977
48 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
475
2025 count
Owner
County
County Highway Agency

About this bridge

CR 231 over Unnamed Creek is a concrete culvert carrying CR 231 over Unnamed Creek in Lee County, Mississippi. It was built in 1977, so it is 48 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 475 vehicles a day, roughly 8% of them trucks, projected to reach 705 by 2045. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 231
CrossesUnnamed Creek
LocationSec 10 T 7S R 5E B
RouteCounty Highway 860
Coordinates34.48379, -88.75534
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.4 US tons
Inventory rating29.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 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 traffic475 (2025)
Projected traffic705 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 CR 231 over Unnamed Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is CR 231 over Unnamed 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 January 2025.

How much traffic does CR 231 over Unnamed Creek carry?

About 475 vehicles per day (2025 count), of which roughly 8% are trucks.

How long is CR 231 over Unnamed Creek?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m).

Who owns CR 231 over Unnamed Creek?

It is owned by the County Highway Agency.