US Bridges

CR 100 over Seven Mile Creek

FairPosted for load

Alcorn County, Mississippi · Sec 34 T 1S R 8E B · Structure no. SA0200000000026

Built
1991
34 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
95 ft
500 main spans
Daily traffic
3,502
2025 count
Owner
County
County Highway Agency

About this bridge

CR 100 over Seven Mile Creek is a concrete slab carrying CR 100 over Seven Mile Creek in Alcorn 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 3,502 vehicles a day, roughly 8% of them trucks, projected to reach 5,250 by 2043. The structure is 95 ft (29 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 100
CrossesSeven Mile Creek
LocationSec 34 T 1S R 8E B
RouteCounty Highway 943
Coordinates34.9544, -88.4389
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.1 US tons
Inventory rating22.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans500
Design loadH 15
Structure length95 ft (29 m)
Longest span20 ft (6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,502 (2025)
Projected traffic5,250 by 2043
Trucks8%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 100 over Seven Mile Creek built?

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

What condition is CR 100 over Seven Mile 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 August 2024.

How much traffic does CR 100 over Seven Mile Creek carry?

About 3,502 vehicles per day (2025 count), of which roughly 8% are trucks.

How long is CR 100 over Seven Mile Creek?

The structure is 95 ft (29 m) long with a longest span of 20 ft (6 m) and a deck 43 ft wide.

Who owns CR 100 over Seven Mile Creek?

It is owned by the County Highway Agency.