US Bridges

SR 18 over Little Oak Tuppa Creek

Good

Clarke County, Mississippi · 0.8 M W Ala State Line · Structure no. 310001801218470

Built
1958
67 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
220
2023 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Little Oak Tuppa Creek is a concrete culvert carrying SR 18 over Little Oak Tuppa Creek in Clarke County, Mississippi. It was built in 1958, so it is 67 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 220 vehicles a day, roughly 37% of them trucks, projected to reach 220 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 18
CrossesLittle Oak Tuppa Creek
Location0.8 M W Ala State Line
RouteState Highway 18
Coordinates32.08517, -88.45458
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.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length35 ft (10.7 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2023)
Projected traffic220 by 2043
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 18 over Little Oak Tuppa Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR 18 over Little Oak Tuppa 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 May 2023.

How much traffic does SR 18 over Little Oak Tuppa Creek carry?

About 220 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is SR 18 over Little Oak Tuppa Creek?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (4.9 m).

Who owns SR 18 over Little Oak Tuppa Creek?

It is owned by the State Highway Agency.