US Bridges

Mack Coulter Road over Broom Branch

FairPosted for load

Walker County, Georgia · 8.1 MI SW of Chickamauga · Structure no. 000000029550510

Built
1945
80 years old, rebuilt 1977
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
22 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Mack Coulter Road over Broom Branch is a concrete tee beam carrying Mack Coulter Road over Broom Branch in Walker County, Georgia. It was built in 1945 and reconstructed in 1977, so it is 80 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 5 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 240 by 2031. The structure is 22 ft (6.7 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMack Coulter Road
CrossesBroom Branch
Location8.1 MI SW of Chickamauga
RouteCounty Highway 190
StateGeorgia
Coordinates34.79118, -85.39487
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic240 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$129,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mack Coulter Road over Broom Branch built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1977.

What condition is Mack Coulter Road over Broom Branch 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 November 2024.

How much traffic does Mack Coulter Road over Broom Branch carry?

About 100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mack Coulter Road over Broom Branch?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns Mack Coulter Road over Broom Branch?

It is owned by the County Highway Agency.