US Bridges

LB-6 Bittersweet S over Seven Mile Creek

Good

Leavenworth County, Kansas · .1 N of Mary on Bitterswt · Structure no. 515150520000100

Built
2008
17 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
315 ft
3 main spans
Daily traffic
1,000
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

LB-6 Bittersweet S over Seven Mile Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying LB-6 Bittersweet S over Seven Mile Creek in Leavenworth County, Kansas. It was built in 2008, so it is 17 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 2,000 by 2039. The structure is 315 ft (96 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLB-6 Bittersweet S
CrossesSeven Mile Creek
Location.1 N of Mary on Bitterswt
RouteCity Street 0
StateKansas
Coordinates39.2492, -94.90955
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length315 ft (96 m)
Longest span104 ft (31.6 m)
Deck width41 ft (12.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,000 (2008)
Projected traffic2,000 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 LB-6 Bittersweet S over Seven Mile Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is LB-6 Bittersweet S over Seven Mile 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 July 2024.

How much traffic does LB-6 Bittersweet S over Seven Mile Creek carry?

About 1,000 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is LB-6 Bittersweet S over Seven Mile Creek?

The structure is 315 ft (96 m) long with a longest span of 104 ft (31.6 m) and a deck 41 ft wide.

Who owns LB-6 Bittersweet S over Seven Mile Creek?

It is owned by the City or Municipal Highway Agency.