US Bridges

CR 400W over Little Monon Creek

Good

White County, Indiana · 00.75 N CR 500 N · Structure no. 9100104

Built
1980
45 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
110
2024 count
Owner
County
County Highway Agency

About this bridge

CR 400W over Little Monon Creek is a prestressed concrete box beam or girders - multiple carrying CR 400W over Little Monon Creek in White County, Indiana. It was built in 1980, so it is 45 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 5% of them trucks, projected to reach 135 by 2044. The structure is 90 ft (27.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 400W
CrossesLittle Monon Creek
Location00.75 N CR 500 N
RouteCounty Highway 31
StateIndiana
Coordinates40.83479, -86.94846
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span34 ft (10.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2024)
Projected traffic135 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 CR 400W over Little Monon Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is CR 400W over Little Monon Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does CR 400W over Little Monon Creek carry?

About 110 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR 400W over Little Monon Creek?

The structure is 90 ft (27.4 m) long with a longest span of 34 ft (10.3 m) and a deck 24 ft wide.

Who owns CR 400W over Little Monon Creek?

It is owned by the County Highway Agency.