US Bridges

6600 RD Mile 6 over Elm Branch

Good

Montgomery County, Kansas · 6.5N 2.4E of Elk City · Structure no. 000630979306600

Built
2012
13 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
30
2010 count
Owner
County
County Highway Agency

About this bridge

6600 RD Mile 6 over Elm Branch is a concrete continuous slab carrying 6600 RD Mile 6 over Elm Branch in Montgomery County, Kansas. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 1% of them trucks, projected to reach 35 by 2039. The structure is 84 ft (25.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries6600 RD Mile 6
CrossesElm Branch
Location6.5N 2.4E of Elk City
RouteCounty Highway 0
StateKansas
Coordinates37.38607, -95.8679
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length84 ft (25.5 m)
Longest span32 ft (9.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2010)
Projected traffic35 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 6600 RD Mile 6 over Elm Branch built?

It was built in 2012, making it 13 years old in 2025.

What condition is 6600 RD Mile 6 over Elm Branch 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 6600 RD Mile 6 over Elm Branch carry?

About 30 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is 6600 RD Mile 6 over Elm Branch?

The structure is 84 ft (25.5 m) long with a longest span of 32 ft (9.7 m) and a deck 30 ft wide.

Who owns 6600 RD Mile 6 over Elm Branch?

It is owned by the County Highway Agency.