US Bridges

CR 143 over 17 Mile River

FairPosted for load

Coffee County, Georgia · 3.2 MI SW of Broxton · Structure no. 000000006950070

Built
1960
65 years old, rebuilt 1996
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
102 ft
5 main spans
Daily traffic
519
2024 count
Owner
County
County Highway Agency

About this bridge

CR 143 over 17 Mile River is a prestressed concrete channel beam carrying CR 143 over 17 Mile River in Coffee County, Georgia. It was built in 1960 and reconstructed in 1996, so it is 65 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 519 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 102 ft (31.1 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCR 143
Crosses17 Mile River
Location3.2 MI SW of Broxton
RouteCounty Highway 143
CountyCoffee County
StateGeorgia
Coordinates31.58434, -82.90716
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating25.9 US tons
Inventory rating16 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length102 ft (31.1 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic519 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$598,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 143 over 17 Mile River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1996.

What condition is CR 143 over 17 Mile River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does CR 143 over 17 Mile River carry?

About 519 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is CR 143 over 17 Mile River?

The structure is 102 ft (31.1 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns CR 143 over 17 Mile River?

It is owned by the County Highway Agency.