US Bridges

SR 186 over Big Robinson Creek

Good

Oconee County, Georgia · 1.3 MI E of N High Shoals · Structure no. 000000021900100

Built
1948
77 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
2,040
2024 count
Owner
State
State Highway Agency

About this bridge

SR 186 over Big Robinson Creek is a concrete culvert carrying SR 186 over Big Robinson Creek in Oconee County, Georgia. It was built in 1948, so it is 77 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 2,040 vehicles a day, roughly 1% of them trucks, projected to reach 3,015 by 2032. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 186
CrossesBig Robinson Creek
Location1.3 MI E of N High Shoals
RouteState Highway 186
StateGeorgia
Coordinates33.82293, -83.47722
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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 alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
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 traffic2,040 (2024)
Projected traffic3,015 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$188,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 186 over Big Robinson Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is SR 186 over Big Robinson 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 August 2023.

How much traffic does SR 186 over Big Robinson Creek carry?

About 2,040 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 186 over Big Robinson Creek?

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

Who owns SR 186 over Big Robinson Creek?

It is owned by the State Highway Agency.