US Bridges

US 19 SR 155 Bus over Ison Branch

Fair

Spalding County, Georgia · In Griffin · Structure no. 000000025500010

Built
1914
111 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
14,500
2024 count
Owner
State
State Highway Agency

About this bridge

US 19 SR 155 Bus over Ison Branch is a concrete culvert carrying US 19 SR 155 Bus over Ison Branch in Spalding County, Georgia. It was built in 1914, so it is 111 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.

It carries about 14,500 vehicles a day, roughly 1% of them trucks, projected to reach 18,150 by 2031. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 19 SR 155 Bus
CrossesIson Branch
LocationIn Griffin
RouteU.S. Route 19
StateGeorgia
Coordinates33.23008, -84.26586
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 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 traffic14,500 (2024)
Projected traffic18,150 by 2031
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$157,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 19 SR 155 Bus over Ison Branch built?

It was built in 1914, making it 111 years old in 2025.

What condition is US 19 SR 155 Bus over Ison 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 July 2024.

How much traffic does US 19 SR 155 Bus over Ison Branch carry?

About 14,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 19 SR 155 Bus over Ison Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns US 19 SR 155 Bus over Ison Branch?

It is owned by the State Highway Agency.