US Bridges

Minor 97 Y.7-450 over Neosho River

Good

Morris County, Kansas · 3.0E 4.7S Council Grove · Structure no. 000640917504926

Built
1991
34 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
180 ft
3 main spans
Daily traffic
50
2011 count
Owner
County
County Highway Agency

About this bridge

Minor 97 Y.7-450 over Neosho River is a prestressed concrete continuous stringer/multi-beam or girder carrying Minor 97 Y.7-450 over Neosho River in Morris County, Kansas. It was built in 1991, so it is 34 years old, younger than the Kansas average of 52.8 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 50 vehicles a day, projected to reach 50 by 2040. The structure is 180 ft (54.9 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMinor 97 Y.7-450
CrossesNeosho River
Location3.0E 4.7S Council Grove
RouteCounty Highway 6413
StateKansas
Coordinates38.59889, -96.41833
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.2 US tons
Inventory rating46.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span71 ft (21.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2011)
Projected traffic50 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor 97 Y.7-450 over Neosho River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Minor 97 Y.7-450 over Neosho River 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 September 2024.

How much traffic does Minor 97 Y.7-450 over Neosho River carry?

About 50 vehicles per day (2011 count).

How long is Minor 97 Y.7-450 over Neosho River?

The structure is 180 ft (54.9 m) long with a longest span of 71 ft (21.6 m) and a deck 26 ft wide.

Who owns Minor 97 Y.7-450 over Neosho River?

It is owned by the County Highway Agency.