US Bridges

St.John Road over Branch of Dabbs Crk

Good

Simpson County, Mississippi · Sec_ 6_T 2N_R 4E B · Structure no. SA6400000000076

Built
1982
43 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

St.John Road over Branch of Dabbs Crk is a concrete culvert carrying St.John Road over Branch of Dabbs Crk in Simpson County, Mississippi. It was built in 1982, so it is 43 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 200 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSt.John Road
CrossesBranch of Dabbs Crk
LocationSec_ 6_T 2N_R 4E B
RouteCounty Highway 191
Coordinates32.0349, -89.92545
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic300 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 St.John Road over Branch of Dabbs Crk built?

It was built in 1982, making it 43 years old in 2025.

What condition is St.John Road over Branch of Dabbs Crk 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 St.John Road over Branch of Dabbs Crk carry?

About 200 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is St.John Road over Branch of Dabbs Crk?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns St.John Road over Branch of Dabbs Crk?

It is owned by the County Highway Agency.