US Bridges

Minor Col N-8.4 over Trib. Republican River

Good

Republic County, Kansas · 2.0N 0.6W of Scandia · Structure no. 000790771403240

Built
2007
18 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
40 ft
3 main spans
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

Minor Col N-8.4 over Trib. Republican River is a steel continuous stringer/multi-beam or girder carrying Minor Col N-8.4 over Trib. Republican River in Republic County, Kansas. It was built in 2007, so it is 18 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 60 by 2044. The structure is 40 ft (12.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMinor Col N-8.4
CrossesTrib. Republican River
Location2.0N 0.6W of Scandia
RouteCounty Highway 7909
CountyRepublic County
StateKansas
Coordinates39.82778, -97.79367
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.2 US tons
Inventory rating55.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span15 ft (4.5 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2018)
Projected traffic60 by 2044
Trucks0%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$310,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor Col N-8.4 over Trib. Republican River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Minor Col N-8.4 over Trib. Republican 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 June 2024.

How much traffic does Minor Col N-8.4 over Trib. Republican River carry?

About 50 vehicles per day (2018 count).

How long is Minor Col N-8.4 over Trib. Republican River?

The structure is 40 ft (12.1 m) long with a longest span of 15 ft (4.5 m) and a deck 26 ft wide.

Who owns Minor Col N-8.4 over Trib. Republican River?

It is owned by the County Highway Agency.