US Bridges

K16 HWY over Big Blue R(tuttle Res )

FairPosted for load

Riley County, Kansas · 1.76 MI E US77 · Structure no. 999901600810171

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
5,350 ft
5 main spans
Daily traffic
539
2023 count
Owner
State
State Highway Agency

About this bridge

K16 HWY over Big Blue R(tuttle Res ) is a steel continuous stringer/multi-beam or girder carrying K16 HWY over Big Blue R(tuttle Res ) in Riley County, Kansas. It was built in 1962, so it is 63 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. Its operating status is: posted for other load-capacity restriction.

It carries about 539 vehicles a day, roughly 7% of them trucks, projected to reach 712 by 2044. The structure is 5,350 ft (1,630.7 m) long and 33 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

Open in Google Maps
CarriesK16 HWY
CrossesBig Blue R(tuttle Res )
Location1.76 MI E US77
RouteState Highway 16
CountyRiley County
StateKansas
Coordinates39.4325, -96.7225
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.6 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+4 approach)
Design loadHS 20
Structure length5,350 ft (1,630.7 m)
Longest span184 ft (56.1 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic539 (2023)
Projected traffic712 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 K16 HWY over Big Blue R(tuttle Res ) built?

It was built in 1962, making it 63 years old in 2025.

What condition is K16 HWY over Big Blue R(tuttle Res ) 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 August 2024.

How much traffic does K16 HWY over Big Blue R(tuttle Res ) carry?

About 539 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is K16 HWY over Big Blue R(tuttle Res )?

The structure is 5,350 ft (1,630.7 m) long with a longest span of 184 ft (56.1 m) and a deck 33 ft wide.

Who owns K16 HWY over Big Blue R(tuttle Res )?

It is owned by the State Highway Agency.