US Bridges

5800 RD Mile 16 over Verdigris River

Fair

Montgomery County, Kansas · 1.5E of Sycamore · Structure no. 000000000630150

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
487 ft
5 main spans
Daily traffic
469
2010 count
Owner
County
County Highway Agency

About this bridge

5800 RD Mile 16 over Verdigris River is a steel continuous stringer/multi-beam or girder carrying 5800 RD Mile 16 over Verdigris River in Montgomery County, Kansas. It was built in 1970, so it is 55 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 469 vehicles a day, roughly 3% of them trucks, projected to reach 563 by 2039. The structure is 487 ft (148.4 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries5800 RD Mile 16
CrossesVerdigris River
Location1.5E of Sycamore
RouteCounty Highway 465
StateKansas
Coordinates37.32679, -95.68481
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating31.3 US tons
Inventory rating18.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length487 ft (148.4 m)
Longest span105 ft (32 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic469 (2010)
Projected traffic563 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 5800 RD Mile 16 over Verdigris River built?

It was built in 1970, making it 55 years old in 2025.

What condition is 5800 RD Mile 16 over Verdigris River 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 March 2023.

How much traffic does 5800 RD Mile 16 over Verdigris River carry?

About 469 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is 5800 RD Mile 16 over Verdigris River?

The structure is 487 ft (148.4 m) long with a longest span of 105 ft (32 m) and a deck 26 ft wide.

Who owns 5800 RD Mile 16 over Verdigris River?

It is owned by the County Highway Agency.