US Bridges

West ST over Millstone Creek

Good

Decatur County, Indiana · 00.20 N of CR 1150 S · Structure no. 1600183

Built
1971
54 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
710
2017 count
Owner
County
County Highway Agency

About this bridge

West ST over Millstone Creek is a concrete slab carrying West ST over Millstone Creek in Decatur County, Indiana. It was built in 1971, so it is 54 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 710 vehicles a day, roughly 8% of them trucks, projected to reach 1,110 by 2037. The structure is 22 ft (6.7 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesWest ST
CrossesMillstone Creek
Location00.20 N of CR 1150 S
RouteCity Street 0
StateIndiana
Coordinates39.1703, -85.57542
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2017)
Projected traffic1,110 by 2037
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 West ST over Millstone Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is West ST over Millstone Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does West ST over Millstone Creek carry?

About 710 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is West ST over Millstone Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns West ST over Millstone Creek?

It is owned by the County Highway Agency.