US Bridges

CR 100E over Mill Creek

FairPosted for load

Pulaski County, Indiana · 00.11 N of CR 315 S · Structure no. 6600105

Built
1925
100 years old, rebuilt 1985
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

CR 100E over Mill Creek is a prestressed concrete box beam or girders - multiple carrying CR 100E over Mill Creek in Pulaski County, Indiana. It was built in 1925 and reconstructed in 1985, so it is 100 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. Its operating status is: posted for other load-capacity restriction.

It carries about 50 vehicles a day, roughly 3% of them trucks, projected to reach 60 by 2042. The structure is 58 ft (17.6 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 100E
CrossesMill Creek
Location00.11 N of CR 315 S
RouteCounty Highway 81
StateIndiana
Coordinates41.01324, -86.58353
Functional classRural Local

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.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity 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 geometry8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating38.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length58 ft (17.6 m)
Longest span55 ft (16.7 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic60 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$895,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100E over Mill Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1985.

What condition is CR 100E 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 September 2024.

How much traffic does CR 100E over Mill Creek carry?

About 50 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 100E over Mill Creek?

The structure is 58 ft (17.6 m) long with a longest span of 55 ft (16.7 m) and a deck 16 ft wide.

Who owns CR 100E over Mill Creek?

It is owned by the County Highway Agency.