US Bridges

SR 9 over Mill Creek

Fair

Calhoun County, Alabama · 0.7 MI N JCT US 278 · Structure no. 003408

Built
1949
76 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
170 ft
5 main spans
Daily traffic
4,503
2022 count
Owner
State
State Highway Agency

About this bridge

SR 9 over Mill Creek is a concrete tee beam carrying SR 9 over Mill Creek in Calhoun County, Alabama. It was built in 1949, so it is 76 years old, older than the Alabama average of 51.1 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 4,503 vehicles a day, roughly 6% of them trucks, projected to reach 6,304 by 2042. The structure is 170 ft (51.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 9
CrossesMill Creek
Location0.7 MI N JCT US 278
RouteState Highway 9
StateAlabama
Coordinates33.9423, -85.61554
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.4 US tons
Inventory rating25.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length170 ft (51.8 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,503 (2022)
Projected traffic6,304 by 2042
Trucks6%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 9 over Mill Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is SR 9 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 October 2023.

How much traffic does SR 9 over Mill Creek carry?

About 4,503 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR 9 over Mill Creek?

The structure is 170 ft (51.8 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns SR 9 over Mill Creek?

It is owned by the State Highway Agency.