US Bridges

CR 308 over Unnamed Creek

Fair

Calhoun County, Mississippi · Sec 13 T23N R 8E · Structure no. SA0700000000116

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
400
2014 count
Owner
County
County Highway Agency

About this bridge

CR 308 over Unnamed Creek is a concrete culvert carrying CR 308 over Unnamed Creek in Calhoun County, Mississippi. It was built in 1959, so it is 66 years old, older 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 400 vehicles a day, roughly 8% of them trucks, projected to reach 600 by 2034. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 308
CrossesUnnamed Creek
LocationSec 13 T23N R 8E
RouteCounty Highway 1816
Coordinates33.85289, -89.40328
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.2 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 traffic400 (2014)
Projected traffic600 by 2034
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 308 over Unnamed Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is CR 308 over Unnamed 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 March 2024.

How much traffic does CR 308 over Unnamed Creek carry?

About 400 vehicles per day (2014 count), of which roughly 8% are trucks.

How long is CR 308 over Unnamed Creek?

The structure is 30 ft (9.2 m) long with a longest span of 14 ft (4.3 m).

Who owns CR 308 over Unnamed Creek?

It is owned by the County Highway Agency.