US Bridges

Darlow Dr. over Tributary

Good

McPherson County, Kansas · Darlow DR W of Northglen · Structure no. 517450590000546

Built
2006
19 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
200
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Darlow Dr. over Tributary is a concrete culvert carrying Darlow Dr. over Tributary in McPherson County, Kansas. It was built in 2006, so it is 19 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 100 by 2042. The structure is 31 ft (9.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDarlow Dr.
CrossesTributary
LocationDarlow DR W of Northglen
RouteCity Street 0
StateKansas
Coordinates38.3809, -97.65307
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99.9 US tons
Inventory rating60.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width43 ft (13.1 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic200 (2008)
Projected traffic100 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Darlow Dr. over Tributary built?

It was built in 2006, making it 19 years old in 2025.

What condition is Darlow Dr. over Tributary 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 May 2024.

How much traffic does Darlow Dr. over Tributary carry?

About 200 vehicles per day (2008 count), of which roughly 1% are trucks.

How long is Darlow Dr. over Tributary?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns Darlow Dr. over Tributary?

It is owned by the City or Municipal Highway Agency.