US Bridges

K105 HWY over Negro Hollow

Good

Woodson County, Kansas · 5.81 Mi. Se. US-54 · Structure no. 999910501040221

Built
1956
69 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
287
2023 count
Owner
State
State Highway Agency

About this bridge

K105 HWY over Negro Hollow is a concrete culvert carrying K105 HWY over Negro Hollow in Woodson County, Kansas. It was built in 1956, so it is 69 years old, older 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 287 vehicles a day, roughly 11% of them trucks, projected to reach 287 by 2044. The structure is 31 ft (9.5 m) long and 135 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesK105 HWY
CrossesNegro Hollow
Location5.81 Mi. Se. US-54
RouteState Highway 105
StateKansas
Coordinates37.77722, -95.90694
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width135 ft (41.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic287 (2023)
Projected traffic287 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 K105 HWY over Negro Hollow built?

It was built in 1956, making it 69 years old in 2025.

What condition is K105 HWY over Negro Hollow 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 February 2023.

How much traffic does K105 HWY over Negro Hollow carry?

About 287 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is K105 HWY over Negro Hollow?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 135 ft wide.

Who owns K105 HWY over Negro Hollow?

It is owned by the State Highway Agency.