US Bridges

CR 400S over Seamons Ditch

Good

Benton County, Indiana · 00.60 E of US 41 · Structure no. 0400118

Built
1993
32 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
33
2013 count
Owner
County
County Highway Agency

About this bridge

CR 400S over Seamons Ditch is a prestressed concrete box beam or girders - multiple carrying CR 400S over Seamons Ditch in Benton County, Indiana. It was built in 1993, so it is 32 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 33 vehicles a day, roughly 8% of them trucks, projected to reach 41 by 2033. The structure is 40 ft (12.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 400S
CrossesSeamons Ditch
Location00.60 E of US 41
RouteCounty Highway 400
CountyBenton County
StateIndiana
Coordinates40.54947, -87.36688
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.6 US tons
Inventory rating41.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span36 ft (11.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2013)
Projected traffic41 by 2033
Trucks8%
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 400S over Seamons Ditch built?

It was built in 1993, making it 32 years old in 2025.

What condition is CR 400S over Seamons Ditch 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 May 2023.

How much traffic does CR 400S over Seamons Ditch carry?

About 33 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is CR 400S over Seamons Ditch?

The structure is 40 ft (12.3 m) long with a longest span of 36 ft (11.1 m) and a deck 24 ft wide.

Who owns CR 400S over Seamons Ditch?

It is owned by the County Highway Agency.