US Bridges

Prairie School RD over Gilmer Creek Fork

Fair

Lowndes County, Mississippi · Sec 21 T18N R17E · Structure no. SA4400000000073

Built
1983
42 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
88 ft
4 main spans
Daily traffic
100
2018 count
Owner
County
County Highway Agency

About this bridge

Prairie School RD over Gilmer Creek Fork is a concrete channel beam carrying Prairie School RD over Gilmer Creek Fork in Lowndes County, Mississippi. It was built in 1983, so it is 42 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 8% of them trucks, projected to reach 150 by 2042. The structure is 88 ft (26.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPrairie School RD
CrossesGilmer Creek Fork
LocationSec 21 T18N R17E
RouteCounty Highway 185
Coordinates33.41486, -88.53149
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating35.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadUnknown
Structure length88 ft (26.8 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 traffic100 (2018)
Projected traffic150 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$330,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Prairie School RD over Gilmer Creek Fork built?

It was built in 1983, making it 42 years old in 2025.

What condition is Prairie School RD over Gilmer Creek Fork in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Prairie School RD over Gilmer Creek Fork carry?

About 100 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Prairie School RD over Gilmer Creek Fork?

The structure is 88 ft (26.8 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Prairie School RD over Gilmer Creek Fork?

It is owned by the County Highway Agency.