US Bridges

7-23.4 Minor over Rock Creek

Good

Neosho County, Kansas · 8.5N 7.9E of Erie · Structure no. 000671063406180

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

7-23.4 Minor over Rock Creek is a concrete continuous slab carrying 7-23.4 Minor over Rock Creek in Neosho County, Kansas. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2044. The structure is 115 ft (35 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries7-23.4 Minor
CrossesRock Creek
Location8.5N 7.9E of Erie
RouteCounty Highway 6722
StateKansas
Coordinates37.68923, -95.09833
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.8 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic48 by 2044
Trucks10%
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 7-23.4 Minor over Rock Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is 7-23.4 Minor over Rock 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 October 2024.

How much traffic does 7-23.4 Minor over Rock Creek carry?

About 40 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 7-23.4 Minor over Rock Creek?

The structure is 115 ft (35 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns 7-23.4 Minor over Rock Creek?

It is owned by the County Highway Agency.