US Bridges

SR 520 Cor Z over Wolf Creek Trib.

Good

Terrell County, Georgia · 4.3 MI SE of Parrott · Structure no. 000000027300170

Built
1931
94 years old, rebuilt 1987
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
6,970
2024 count
Owner
State
State Highway Agency

About this bridge

SR 520 Cor Z over Wolf Creek Trib. is a concrete culvert carrying SR 520 Cor Z over Wolf Creek Trib. in Terrell County, Georgia. It was built in 1931 and reconstructed in 1987, so it is 94 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 6,970 vehicles a day, roughly 1% of them trucks, projected to reach 10,920 by 2031. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSR 520 Cor Z
CrossesWolf Creek Trib.
Location4.3 MI SE of Parrott
RouteState Highway 520
StateGeorgia
Coordinates31.83902, -84.46882
Functional classRural Principal Arterial - Other

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,970 (2024)
Projected traffic10,920 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 520 Cor Z over Wolf Creek Trib. built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1987.

What condition is SR 520 Cor Z over Wolf 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 March 2023.

How much traffic does SR 520 Cor Z over Wolf Creek Trib. carry?

About 6,970 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 520 Cor Z over Wolf Creek Trib.?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m).

Who owns SR 520 Cor Z over Wolf Creek Trib.?

It is owned by the State Highway Agency.