US Bridges

NW 108th ST E over US 169

Good

Clay County, Missouri · S 27 T 52 N R 33 W · Structure no. 33856

Built
2011
14 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
2 main spans
Daily traffic
10,197
2024 count
Owner
State
State Highway Agency

About this bridge

NW 108th ST E over US 169 is a prestressed concrete stringer/multi-beam or girder carrying NW 108th ST E over US 169 in Clay County, Missouri. It was built in 2011, so it is 14 years old, younger than the Missouri average of 45.1 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 10,197 vehicles a day, roughly 5% of them trucks, projected to reach 16,315 by 2044. The structure is 180 ft (54.9 m) long and 62 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNW 108th ST E
CrossesUS 169
LocationS 27 T 52 N R 33 W
RouteCity Street 0
CountyClay County
StateMissouri
Coordinates39.28944, -94.58522
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span90 ft (27.4 m)
Deck width62 ft (19 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,197 (2024)
Projected traffic16,315 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW 108th ST E over US 169 built?

It was built in 2011, making it 14 years old in 2025.

What condition is NW 108th ST E over US 169 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 September 2024.

How much traffic does NW 108th ST E over US 169 carry?

About 10,197 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is NW 108th ST E over US 169?

The structure is 180 ft (54.9 m) long with a longest span of 90 ft (27.4 m) and a deck 62 ft wide.

Who owns NW 108th ST E over US 169?

It is owned by the State Highway Agency.