US Bridges

Old River Road S over Dillon Creek

Good

Marion County, Mississippi · Sec 2 T 2N R18W · Structure no. SA460000000A151

Built
2019
6 years old
Condition
Good
inspected March 2024
Type
Channel Beam
Concrete
Length
138 ft
6 main spans
Daily traffic
300
2024 count
Owner
County
County Highway Agency

About this bridge

Old River Road S over Dillon Creek is a concrete channel beam carrying Old River Road S over Dillon Creek in Marion County, Mississippi. It was built in 2019, so it is 6 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 340 by 2046. The structure is 138 ft (42.1 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesOld River Road S
CrossesDillon Creek
LocationSec 2 T 2N R18W
RouteCounty Highway 198
Coordinates31.16261, -89.78633
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHL 93
Structure length138 ft (42.1 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 traffic300 (2024)
Projected traffic340 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Old River Road S over Dillon Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Old River Road S over Dillon 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 Old River Road S over Dillon Creek carry?

About 300 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Old River Road S over Dillon Creek?

The structure is 138 ft (42.1 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Old River Road S over Dillon Creek?

It is owned by the County Highway Agency.