US Bridges

East Grange Road over West Prong Silver Creek

Good

Lawrence County, Mississippi · Sec 11 T 8N R20W B · Structure no. SA3900000000080

Built
1978
47 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
6 main spans
Daily traffic
170
2023 count
Owner
County
County Highway Agency

About this bridge

East Grange Road over West Prong Silver Creek is a prestressed concrete stringer/multi-beam or girder carrying East Grange Road over West Prong Silver Creek in Lawrence County, Mississippi. It was built in 1978, so it is 47 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 170 vehicles a day, roughly 8% of them trucks, projected to reach 250 by 2045. The structure is 260 ft (79.2 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesEast Grange Road
CrossesWest Prong Silver Creek
LocationSec 11 T 8N R20W B
RouteCounty Highway 1213
Coordinates31.68101, -89.98733
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 15
Structure length260 ft (79.2 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2023)
Projected traffic250 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 East Grange Road over West Prong Silver Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is East Grange Road over West Prong Silver 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 September 2023.

How much traffic does East Grange Road over West Prong Silver Creek carry?

About 170 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is East Grange Road over West Prong Silver Creek?

The structure is 260 ft (79.2 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns East Grange Road over West Prong Silver Creek?

It is owned by the County Highway Agency.