US Bridges

CR 1150S over Millstone Creek

Fair

Decatur County, Indiana · 00.00 W of CR 500 W · Structure no. 1600128

Built
1930
95 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
140
2017 count
Owner
County
County Highway Agency

About this bridge

CR 1150S over Millstone Creek is a concrete slab carrying CR 1150S over Millstone Creek in Decatur County, Indiana. It was built in 1930, so it is 95 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 140 vehicles a day, roughly 8% of them trucks, projected to reach 220 by 2037. The structure is 32 ft (9.7 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCR 1150S
CrossesMillstone Creek
Location00.00 W of CR 500 W
RouteCity Street 88
CountyDecatur County
StateIndiana
Coordinates39.16875, -85.57576
Functional classUrban 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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.9 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2017)
Projected traffic220 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 CR 1150S over Millstone Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is CR 1150S over Millstone 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 April 2023.

How much traffic does CR 1150S over Millstone Creek carry?

About 140 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is CR 1150S over Millstone Creek?

The structure is 32 ft (9.7 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns CR 1150S over Millstone Creek?

It is owned by the County Highway Agency.