US Bridges

399th Street over Trib. to Middle Creek

Good

Miami County, Kansas · 1.0S 0.8W of Beagle · Structure no. 000611075105200

Built
2024
1 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
23
2011 count
Owner
County
County Highway Agency

About this bridge

399th Street over Trib. to Middle Creek is a steel stringer/multi-beam or girder carrying 399th Street over Trib. to Middle Creek in Miami County, Kansas. It was built in 2024, so it is 1 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 23 vehicles a day, roughly 5% of them trucks, projected to reach 25 by 2044. The structure is 52 ft (15.7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries399th Street
CrossesTrib. to Middle Creek
Location1.0S 0.8W of Beagle
RouteCounty Highway 184
StateKansas
Coordinates38.4038, -94.97127
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.6 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length52 ft (15.7 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic23 (2011)
Projected traffic25 by 2044
Trucks5%
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 399th Street over Trib. to Middle Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is 399th Street over Trib. to Middle 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 April 2024.

How much traffic does 399th Street over Trib. to Middle Creek carry?

About 23 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is 399th Street over Trib. to Middle Creek?

The structure is 52 ft (15.7 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns 399th Street over Trib. to Middle Creek?

It is owned by the County Highway Agency.