US Bridges

K99 HWY over Mound Branch Creek

Good

Elk County, Kansas · 3.78 MI N Ejct US160 · Structure no. 999909900250351

Built
2005
20 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
1,508
2023 count
Owner
State
State Highway Agency

About this bridge

K99 HWY over Mound Branch Creek is a concrete continuous slab carrying K99 HWY over Mound Branch Creek in Elk County, Kansas. It was built in 2005, so it is 20 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 1,508 vehicles a day, roughly 20% of them trucks, projected to reach 1,840 by 2044. The structure is 150 ft (45.8 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesK99 HWY
CrossesMound Branch Creek
Location3.78 MI N Ejct US160
RouteState Highway 99
StateKansas
Coordinates37.425, -96.27111
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length150 ft (45.8 m)
Longest span59 ft (18 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,508 (2023)
Projected traffic1,840 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 K99 HWY over Mound Branch Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is K99 HWY over Mound Branch 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 March 2023.

How much traffic does K99 HWY over Mound Branch Creek carry?

About 1,508 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is K99 HWY over Mound Branch Creek?

The structure is 150 ft (45.8 m) long with a longest span of 59 ft (18 m) and a deck 42 ft wide.

Who owns K99 HWY over Mound Branch Creek?

It is owned by the State Highway Agency.