US Bridges

CO RD 518 over Unnamed Stream

Good

Leflore County, Mississippi · SEC_20_T21N_R 1E B · Structure no. SA4200000000078

Built
1984
41 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
4 main spans
Daily traffic
780
2015 count
Owner
County
County Highway Agency

About this bridge

CO RD 518 over Unnamed Stream is a prestressed concrete stringer/multi-beam or girder carrying CO RD 518 over Unnamed Stream in Leflore County, Mississippi. It was built in 1984, so it is 41 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 780 vehicles a day, roughly 8% of them trucks, projected to reach 1,170 by 2035. The structure is 160 ft (48.8 m) long and 31 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesCO RD 518
CrossesUnnamed Stream
LocationSEC_20_T21N_R 1E B
RouteCounty Highway 708
Coordinates33.66333, -90.18773
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 rating67.9 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic780 (2015)
Projected traffic1,170 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 518 over Unnamed Stream built?

It was built in 1984, making it 41 years old in 2025.

What condition is CO RD 518 over Unnamed Stream 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 December 2023.

How much traffic does CO RD 518 over Unnamed Stream carry?

About 780 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CO RD 518 over Unnamed Stream?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns CO RD 518 over Unnamed Stream?

It is owned by the County Highway Agency.