US Bridges

Minor Col J-27.4 over Trib. N. Fork Mill Crk.

Fair

Republic County, Kansas · 5.0S 0.6W of Narka · Structure no. 000790809403160

Built
1930
95 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

Minor Col J-27.4 over Trib. N. Fork Mill Crk. is a concrete slab carrying Minor Col J-27.4 over Trib. N. Fork Mill Crk. in Republic County, Kansas. It was built in 1930, so it is 95 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, projected to reach 60 by 2044. The structure is 22 ft (6.7 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMinor Col J-27.4
CrossesTrib. N. Fork Mill Crk.
Location5.0S 0.6W of Narka
RouteCounty Highway 7916
CountyRepublic County
StateKansas
Coordinates39.88579, -97.43706
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 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 directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$210,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor Col J-27.4 over Trib. N. Fork Mill Crk. built?

It was built in 1930, making it 95 years old in 2025.

What condition is Minor Col J-27.4 over Trib. N. Fork Mill Crk. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Minor Col J-27.4 over Trib. N. Fork Mill Crk. carry?

About 50 vehicles per day (2018 count).

How long is Minor Col J-27.4 over Trib. N. Fork Mill Crk.?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 20 ft wide.

Who owns Minor Col J-27.4 over Trib. N. Fork Mill Crk.?

It is owned by the County Highway Agency.