US Bridges

SR 97 over North Mosquito Creek

GoodPosted for load

Decatur County, Georgia · 2.3 MI N Ga.-Fla. State L · Structure no. 000000008700220

Built
1949
76 years old, rebuilt 1983
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
155 ft
5 main spans
Daily traffic
1,540
2024 count
Owner
State
State Highway Agency

About this bridge

SR 97 over North Mosquito Creek is a steel continuous stringer/multi-beam or girder carrying SR 97 over North Mosquito Creek in Decatur County, Georgia. It was built in 1949 and reconstructed in 1983, so it is 76 years old, older 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. Its operating status is: posted for load restriction.

It carries about 1,540 vehicles a day, roughly 1% of them trucks, projected to reach 1,650 by 2032. The structure is 155 ft (47.2 m) long and 43 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR 97
CrossesNorth Mosquito Creek
Location2.3 MI N Ga.-Fla. State L
RouteState Highway 97
StateGeorgia
Coordinates30.73197, -84.76196
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.9 US tons
Inventory rating21.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length155 ft (47.2 m)
Longest span31 ft (9.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,540 (2024)
Projected traffic1,650 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$908,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 97 over North Mosquito Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1983.

What condition is SR 97 over North Mosquito 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 SR 97 over North Mosquito Creek carry?

About 1,540 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 97 over North Mosquito Creek?

The structure is 155 ft (47.2 m) long with a longest span of 31 ft (9.4 m) and a deck 43 ft wide.

Who owns SR 97 over North Mosquito Creek?

It is owned by the State Highway Agency.