US Bridges

CR 450S over Br of Mill Creek

PoorClosed to traffic

Putnam County, Indiana · 00.80 E of CR 1000 E · Structure no. 6700182

Built
1905
120 years old, rebuilt 1985
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
81 ft
1 main span
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

CR 450S over Br of Mill Creek is a steel truss - thru carrying CR 450S over Br of Mill Creek in Putnam County, Indiana. It was built in 1905 and reconstructed in 1985, so it is 120 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 110 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2043. The structure is 81 ft (24.6 m) long and 15 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 450S
CrossesBr of Mill Creek
Location00.80 E of CR 1000 E
RouteCounty Highway 160
StateIndiana
Coordinates39.59399, -86.655
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating6 US tons
Inventory rating3.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length81 ft (24.6 m)
Longest span80 ft (24.3 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic150 by 2043
Trucks1%
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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.8 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 450S over Br of Mill Creek built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1985.

What condition is CR 450S over Br of Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does CR 450S over Br of Mill Creek carry?

About 110 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is CR 450S over Br of Mill Creek?

The structure is 81 ft (24.6 m) long with a longest span of 80 ft (24.3 m) and a deck 15 ft wide.

Who owns CR 450S over Br of Mill Creek?

It is owned by the County Highway Agency.