US Bridges

CR 700S over Mill Creek

Fair

Putnam County, Indiana · 00.40 E of CR 1000 E · Structure no. 6700164

Built
1982
43 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
3 main spans
Daily traffic
1,390
2023 count
Owner
County
County Highway Agency

About this bridge

CR 700S over Mill Creek is a steel continuous stringer/multi-beam or girder carrying CR 700S over Mill Creek in Putnam County, Indiana. It was built in 1982, so it is 43 years old, younger 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 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 1,390 vehicles a day, roughly 5% of them trucks, projected to reach 1,910 by 2043. The structure is 239 ft (72.7 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 700S
CrossesMill Creek
Location00.40 E of CR 1000 E
RouteCounty Highway 146
StateIndiana
Coordinates39.55761, -86.65253
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating39.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length239 ft (72.7 m)
Longest span90 ft (27.4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,390 (2023)
Projected traffic1,910 by 2043
Trucks5%
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was CR 700S over Mill Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is CR 700S 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 2023.

How much traffic does CR 700S over Mill Creek carry?

About 1,390 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR 700S over Mill Creek?

The structure is 239 ft (72.7 m) long with a longest span of 90 ft (27.4 m) and a deck 28 ft wide.

Who owns CR 700S over Mill Creek?

It is owned by the County Highway Agency.