US Bridges

W.C.Allen Road over Branch of Okatoma Creek

Good

Simpson County, Mississippi · Sec 3 T10N R17W · Structure no. SA6400000000098

Built
1998
27 years old
Condition
Good
inspected March 2024
Type
Channel Beam
Concrete
Length
124 ft
4 main spans
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

W.C.Allen Road over Branch of Okatoma Creek is a concrete channel beam carrying W.C.Allen Road over Branch of Okatoma Creek in Simpson County, Mississippi. It was built in 1998, so it is 27 years old, younger 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 110 vehicles a day, roughly 8% of them trucks, projected to reach 165 by 2042. The structure is 124 ft (37.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesW.C.Allen Road
CrossesBranch of Okatoma Creek
LocationSec 3 T10N R17W
RouteCounty Highway 39
Coordinates31.87236, -89.69971
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic165 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 W.C.Allen Road over Branch of Okatoma Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is W.C.Allen Road over Branch of Okatoma 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 March 2024.

How much traffic does W.C.Allen Road over Branch of Okatoma Creek carry?

About 110 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is W.C.Allen Road over Branch of Okatoma Creek?

The structure is 124 ft (37.8 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns W.C.Allen Road over Branch of Okatoma Creek?

It is owned by the County Highway Agency.