US Bridges

Ishman Road over Mountain Creek Trib

Good

Coweta County, Georgia · 2 MI W of Newnan · Structure no. 000000007751720

Built
2015
10 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
310
2024 count
Owner
County
County Highway Agency

About this bridge

Ishman Road over Mountain Creek Trib is a concrete culvert carrying Ishman Road over Mountain Creek Trib in Coweta County, Georgia. It was built in 2015, so it is 10 years old, younger than the Georgia average of 47.5 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 310 vehicles a day, roughly 1% of them trucks, projected to reach 1,245 by 2032. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIshman Road
CrossesMountain Creek Trib
Location2 MI W of Newnan
RouteCounty Highway 778
StateGeorgia
Coordinates33.37874, -84.84987
Functional classUrban 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 inspectionDecember 2024
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 rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2024)
Projected traffic1,245 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$4.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ishman Road over Mountain Creek Trib built?

It was built in 2015, making it 10 years old in 2025.

What condition is Ishman Road over Mountain Creek Trib 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 2024.

How much traffic does Ishman Road over Mountain Creek Trib carry?

About 310 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Ishman Road over Mountain Creek Trib?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Ishman Road over Mountain Creek Trib?

It is owned by the County Highway Agency.