US Bridges

Allison Lane over Mill Creek

Fair

Clark County, Indiana · 00.20 NW of Middle Road · Structure no. 1000109

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
43 ft
3 main spans
Daily traffic
19,740
2018 count
Owner
County
County Highway Agency

About this bridge

Allison Lane over Mill Creek is a concrete continuous slab carrying Allison Lane over Mill Creek in Clark County, Indiana. It was built in 1965, so it is 60 years old, older than the Indiana average of 46.6 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.

It carries about 19,740 vehicles a day, roughly 9% of them trucks, projected to reach 34,350 by 2038. The structure is 43 ft (13 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAllison Lane
CrossesMill Creek
Location00.20 NW of Middle Road
RouteCity Street 0
StateIndiana
Coordinates38.31374, -85.70477
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length43 ft (13 m)
Longest span17 ft (5.3 m)
Deck width42 ft (12.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,740 (2018)
Projected traffic34,350 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Allison Lane over Mill Creek built?

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

What condition is Allison Lane 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 March 2024.

How much traffic does Allison Lane over Mill Creek carry?

About 19,740 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Allison Lane over Mill Creek?

The structure is 43 ft (13 m) long with a longest span of 17 ft (5.3 m) and a deck 42 ft wide.

Who owns Allison Lane over Mill Creek?

It is owned by the County Highway Agency.