US Bridges

Local Rd. Q-4 over French Creek

Good

Nemaha County, Kansas · 8.0S 3.0W of Centralia · Structure no. 000660943003542

Built
1987
38 years old
Condition
Good
inspected March 2024
Type
Girder and Floorbeam System
Steel
Length
50 ft
1 main span
Daily traffic
10
2008 count
Owner
County
County Highway Agency

About this bridge

Local Rd. Q-4 over French Creek is a steel girder and floorbeam system carrying Local Rd. Q-4 over French Creek in Nemaha County, Kansas. It was built in 1987, so it is 38 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 10 vehicles a day, projected to reach 14 by 2044. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal Rd. Q-4
CrossesFrench Creek
Location8.0S 3.0W of Centralia
RouteCounty Highway 0
StateKansas
Coordinates39.60742, -96.18258
Functional classRural Local

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating28.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2008)
Projected traffic14 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Local Rd. Q-4 over French Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Local Rd. Q-4 over French 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 March 2024.

How much traffic does Local Rd. Q-4 over French Creek carry?

About 10 vehicles per day (2008 count).

How long is Local Rd. Q-4 over French Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 20 ft wide.

Who owns Local Rd. Q-4 over French Creek?

It is owned by the County Highway Agency.