US Bridges

Smith Mill Road over Marbury Creek

FairPosted for load

Barrow County, Georgia · @ Bethlehem City Limits · Structure no. 000000001300190

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
3 main spans
Daily traffic
2,260
2024 count
Owner
County
County Highway Agency

About this bridge

Smith Mill Road over Marbury Creek is a steel stringer/multi-beam or girder carrying Smith Mill Road over Marbury Creek in Barrow County, Georgia. It was built in 1965, so it is 60 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 2,260 vehicles a day, roughly 1% of them trucks, projected to reach 1,050 by 2032. The structure is 150 ft (45.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSmith Mill Road
CrossesMarbury Creek
Location@ Bethlehem City Limits
RouteCounty Highway 1084
CountyBarrow County
StateGeorgia
Coordinates33.93687, -83.69176
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating24.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,260 (2024)
Projected traffic1,050 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$879,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Mill Road over Marbury Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Smith Mill Road over Marbury Creek 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 March 2023.

How much traffic does Smith Mill Road over Marbury Creek carry?

About 2,260 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Smith Mill Road over Marbury Creek?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns Smith Mill Road over Marbury Creek?

It is owned by the County Highway Agency.