US Bridges

Underwood Street over Mill Creek

FairPosted for load

Whitfield County, Georgia · 2 MI E of Dalton · Structure no. 000000031350150

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
3 main spans
Daily traffic
8,194
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Underwood Street over Mill Creek is a steel stringer/multi-beam or girder carrying Underwood Street over Mill Creek in Whitfield County, Georgia. It was built in 1972, so it is 53 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 8,194 vehicles a day, roughly 1% of them trucks, projected to reach 5,895 by 2031. The structure is 102 ft (31.1 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUnderwood Street
CrossesMill Creek
Location2 MI E of Dalton
RouteCity Street 1511
StateGeorgia
Coordinates34.7835, -84.93612
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating17 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length102 ft (31.1 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,194 (2024)
Projected traffic5,895 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$598,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Underwood Street over Mill Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Underwood Street over Mill 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 May 2024.

How much traffic does Underwood Street over Mill Creek carry?

About 8,194 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Underwood Street over Mill Creek?

The structure is 102 ft (31.1 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns Underwood Street over Mill Creek?

It is owned by the City or Municipal Highway Agency.