US Bridges

Chalmers Road over Big Creek Ditch

Fair

White County, Indiana · 00.17 W CR 450 E · Structure no. 9100199

Built
1957
68 years old, rebuilt 2015
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
440
2024 count
Owner
County
County Highway Agency

About this bridge

Chalmers Road over Big Creek Ditch is a concrete continuous slab carrying Chalmers Road over Big Creek Ditch in White County, Indiana. It was built in 1957 and reconstructed in 2015, so it is 68 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 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 440 vehicles a day, roughly 5% of them trucks, projected to reach 540 by 2044. The structure is 100 ft (30.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesChalmers Road
CrossesBig Creek Ditch
Location00.17 W CR 450 E
RouteCounty Highway 0
StateIndiana
Coordinates40.6712, -86.78706
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length100 ft (30.6 m)
Longest span37 ft (11.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2024)
Projected traffic540 by 2044
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chalmers Road over Big Creek Ditch built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2015.

What condition is Chalmers Road over Big Creek Ditch 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 October 2024.

How much traffic does Chalmers Road over Big Creek Ditch carry?

About 440 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Chalmers Road over Big Creek Ditch?

The structure is 100 ft (30.6 m) long with a longest span of 37 ft (11.4 m) and a deck 28 ft wide.

Who owns Chalmers Road over Big Creek Ditch?

It is owned by the County Highway Agency.