US Bridges

SW 8th over Martin Cr.

Good

Shawnee County, Kansas · 175.57M W. of 8th & Macvi · Structure no. 527950890000E6B

Built
1974
51 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
85 ft
2 main spans
Daily traffic
2,745
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW 8th over Martin Cr. is a concrete continuous slab carrying SW 8th over Martin Cr. in Shawnee County, Kansas. It was built in 1974, so it is 51 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 2,745 vehicles a day, roughly 1% of them trucks, projected to reach 3,251 by 2043. The structure is 85 ft (25.9 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSW 8th
CrossesMartin Cr.
Location175.57M W. of 8th & Macvi
RouteCity Street 0
CountyShawnee County
StateKansas
Coordinates39.05497, -95.70896
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: 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 rating84.5 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span41 ft (12.4 m)
Deck width45 ft (13.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,745 (2019)
Projected traffic3,251 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 SW 8th over Martin Cr. built?

It was built in 1974, making it 51 years old in 2025.

What condition is SW 8th over Martin Cr. 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 October 2023.

How much traffic does SW 8th over Martin Cr. carry?

About 2,745 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is SW 8th over Martin Cr.?

The structure is 85 ft (25.9 m) long with a longest span of 41 ft (12.4 m) and a deck 45 ft wide.

Who owns SW 8th over Martin Cr.?

It is owned by the City or Municipal Highway Agency.