US Bridges

CR 770 over Overton Creek

Good

Alcorn County, Mississippi · Sec 29 T 1S R 5E B · Structure no. SA0200000000002

Built
1976
49 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
229
2024 count
Owner
County
County Highway Agency

About this bridge

CR 770 over Overton Creek is a concrete culvert carrying CR 770 over Overton Creek in Alcorn County, Mississippi. It was built in 1976, so it is 49 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 229 vehicles a day, roughly 8% of them trucks, projected to reach 338 by 2043. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 770
CrossesOverton Creek
LocationSec 29 T 1S R 5E B
RouteCounty Highway 997
Coordinates34.96574, -88.8055
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic229 (2024)
Projected traffic338 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 770 over Overton Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is CR 770 over Overton 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 August 2024.

How much traffic does CR 770 over Overton Creek carry?

About 229 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is CR 770 over Overton Creek?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns CR 770 over Overton Creek?

It is owned by the County Highway Agency.