US Bridges

4400 RD Mile 16 over Verdigris River

PoorPosted for load

Montgomery County, Kansas · 1.0S 3.0E of Independence · Structure no. 000630999706820

Built
1926
99 years old
Condition
Poor
inspected March 2023
Type
Arch - Thru
Concrete
Length
434 ft
4 main spans
Daily traffic
250
2010 count
Owner
County
County Highway Agency

About this bridge

4400 RD Mile 16 over Verdigris River is a concrete arch - thru carrying 4400 RD Mile 16 over Verdigris River in Montgomery County, Kansas. It was built in 1926, so it is 99 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 250 vehicles a day, roughly 3% of them trucks, projected to reach 300 by 2039. The structure is 434 ft (132.3 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries4400 RD Mile 16
CrossesVerdigris River
Location1.0S 3.0E of Independence
RouteCounty Highway 0
StateKansas
Coordinates37.22448, -95.67884
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32 US tons
Inventory rating19.1 US tons

Structure

Structure typeArch - Thru
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length434 ft (132.3 m)
Longest span122 ft (37.3 m)
Deck width25 ft (7.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck20 ft (6.2 m)

Traffic and service

Average daily traffic250 (2010)
Projected traffic300 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$950,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4400 RD Mile 16 over Verdigris River built?

It was built in 1926, making it 99 years old in 2025.

What condition is 4400 RD Mile 16 over Verdigris River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does 4400 RD Mile 16 over Verdigris River carry?

About 250 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is 4400 RD Mile 16 over Verdigris River?

The structure is 434 ft (132.3 m) long with a longest span of 122 ft (37.3 m) and a deck 25 ft wide.

Who owns 4400 RD Mile 16 over Verdigris River?

It is owned by the County Highway Agency.