US Bridges

Nelson Street #8 over Mill Creek Tributary

Good

Johnson County, Kansas · 0.5S of 127th. St. · Structure no. 421200464219008

Built
1975
50 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,630
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nelson Street #8 over Mill Creek Tributary is a concrete culvert carrying Nelson Street #8 over Mill Creek Tributary in Johnson County, Kansas. It was built in 1975, so it is 50 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 2,630 vehicles a day, roughly 3% of them trucks, projected to reach 3,840 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNelson Street #8
CrossesMill Creek Tributary
Location0.5S of 127th. St.
RouteCity Street 4219
StateKansas
Coordinates38.89084, -94.80671
Functional classUrban 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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.1 US tons
Inventory rating19.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,630 (2010)
Projected traffic3,840 by 2043
Trucks3%
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 Nelson Street #8 over Mill Creek Tributary built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nelson Street #8 over Mill Creek 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 2023.

How much traffic does Nelson Street #8 over Mill Creek Tributary carry?

About 2,630 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is Nelson Street #8 over Mill Creek Tributary?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Nelson Street #8 over Mill Creek Tributary?

It is owned by the City or Municipal Highway Agency.