US Bridges

Cox Road over Dobbs Creek

Good

Simpson County, Mississippi · Sec 1 T 2N R 3E B · Structure no. SA6400000000065

Built
1997
28 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
6 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Cox Road over Dobbs Creek is a prestressed concrete stringer/multi-beam or girder carrying Cox Road over Dobbs Creek in Simpson County, Mississippi. It was built in 1997, so it is 28 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 100 vehicles a day, roughly 8% of them trucks, projected to reach 150 by 2040. The structure is 280 ft (85.3 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCox Road
CrossesDobbs Creek
LocationSec 1 T 2N R 3E B
RouteCounty Highway 194
Coordinates32.04173, -89.94827
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.9 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic150 by 2040
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 Cox Road over Dobbs Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cox Road over Dobbs 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 January 2023.

How much traffic does Cox Road over Dobbs Creek carry?

About 100 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Cox Road over Dobbs Creek?

The structure is 280 ft (85.3 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Cox Road over Dobbs Creek?

It is owned by the County Highway Agency.