US Bridges

CO RD 84 over Simpson Branch

Good

Yalobusha County, Mississippi · Sec 20 T25N R 7E · Structure no. SA810000000A082

Built
2016
9 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
44 ft
2 main spans
Daily traffic
30
2015 count
Owner
County
County Highway Agency

About this bridge

CO RD 84 over Simpson Branch is a concrete culvert carrying CO RD 84 over Simpson Branch in Yalobusha County, Mississippi. It was built in 2016, so it is 9 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 30 vehicles a day, projected to reach 45 by 2035. The structure is 44 ft (13.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO RD 84
CrossesSimpson Branch
LocationSec 20 T25N R 7E
RouteCounty Highway 84
Coordinates34.02322, -89.58231
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length44 ft (13.5 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2015)
Projected traffic45 by 2035
Trucks—
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 CO RD 84 over Simpson Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is CO RD 84 over Simpson Branch 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 2023.

How much traffic does CO RD 84 over Simpson Branch carry?

About 30 vehicles per day (2015 count).

How long is CO RD 84 over Simpson Branch?

The structure is 44 ft (13.5 m) long with a longest span of 20 ft (6.1 m).

Who owns CO RD 84 over Simpson Branch?

It is owned by the County Highway Agency.