US Bridges

N 1500(LK Estates) over Lake Alvamar West Trib

Good

Douglas County, Kansas · N 1500/LAKEALVAMAR W Trib · Structure no. 515350230000015

Built
2016
9 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
54 ft
1 main span
Daily traffic
600
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

N 1500(LK Estates) over Lake Alvamar West Trib is a concrete slab carrying N 1500(LK Estates) over Lake Alvamar West Trib in Douglas County, Kansas. It was built in 2016, so it is 9 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 600 vehicles a day, roughly 2% of them trucks, projected to reach 3,200 by 2044. The structure is 54 ft (16.5 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesN 1500(LK Estates)
CrossesLake Alvamar West Trib
LocationN 1500/LAKEALVAMAR W Trib
RouteCity Street 290
CountyDouglas County
StateKansas
Coordinates38.95692, -95.33222
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length54 ft (16.5 m)
Longest span54 ft (16.5 m)
Deck width35 ft (10.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic600 (2015)
Projected traffic3,200 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 N 1500(LK Estates) over Lake Alvamar West Trib built?

It was built in 2016, making it 9 years old in 2025.

What condition is N 1500(LK Estates) over Lake Alvamar West Trib 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 November 2024.

How much traffic does N 1500(LK Estates) over Lake Alvamar West Trib carry?

About 600 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is N 1500(LK Estates) over Lake Alvamar West Trib?

The structure is 54 ft (16.5 m) long with a longest span of 54 ft (16.5 m) and a deck 35 ft wide.

Who owns N 1500(LK Estates) over Lake Alvamar West Trib?

It is owned by the City or Municipal Highway Agency.