US Bridges

CR 1200S over Mill Creek

FairPosted for load

Putnam County, Indiana · 00.50 E of CR 600 E · Structure no. 6700175

Built
1930
95 years old
Condition
Fair
inspected March 2023
Type
Truss - Thru
Steel
Length
173 ft
2 main spans
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

CR 1200S over Mill Creek is a steel truss - thru carrying CR 1200S over Mill Creek in Putnam 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. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 3% of them trucks, projected to reach 150 by 2043. The structure is 173 ft (52.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 1200S
CrossesMill Creek
Location00.50 E of CR 600 E
RouteCounty Highway 4
StateIndiana
Coordinates39.48518, -86.73376
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.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length173 ft (52.7 m)
Longest span84 ft (25.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic150 by 2043
Trucks3%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.9 million (2023 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was CR 1200S over Mill Creek built?

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

What condition is CR 1200S 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 1200S over Mill Creek carry?

About 110 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 1200S over Mill Creek?

The structure is 173 ft (52.7 m) long with a longest span of 84 ft (25.6 m) and a deck 24 ft wide.

Who owns CR 1200S over Mill Creek?

It is owned by the County Highway Agency.