US Bridges

SR 42 over Towaliga River

Good

Monroe County, Georgia · 6 MI N of Forsyth · Structure no. 000000020700150

Built
1972
53 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
366 ft
7 main spans
Daily traffic
3,920
2024 count
Owner
State
State Highway Agency

About this bridge

SR 42 over Towaliga River is a steel stringer/multi-beam or girder carrying SR 42 over Towaliga River in Monroe County, Georgia. It was built in 1972, so it is 53 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.

It carries about 3,920 vehicles a day, roughly 1% of them trucks, projected to reach 3,285 by 2031. The structure is 366 ft (111.6 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 42
CrossesTowaliga River
Location6 MI N of Forsyth
RouteState Highway 42
StateGeorgia
Coordinates33.12162, -83.94341
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment6: Equal to present minimum criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length366 ft (111.6 m)
Longest span60 ft (18.3 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,920 (2024)
Projected traffic3,285 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 42 over Towaliga River built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 42 over Towaliga River 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 2024.

How much traffic does SR 42 over Towaliga River carry?

About 3,920 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 42 over Towaliga River?

The structure is 366 ft (111.6 m) long with a longest span of 60 ft (18.3 m) and a deck 39 ft wide.

Who owns SR 42 over Towaliga River?

It is owned by the State Highway Agency.