US Bridges

Con 18 over I 494; US 169; Marth RD

Good

Hennepin County, Minnesota · 0.1 MI E of JCT TH 169 · Structure no. 27V95

Built
2011
14 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,097 ft
7 main spans
Daily traffic
18,582
2022 count
Owner
State
State Highway Agency

About this bridge

Con 18 over I 494; US 169; Marth RD is a steel continuous stringer/multi-beam or girder carrying Con 18 over I 494; US 169; Marth RD in Hennepin County, Minnesota. It was built in 2011, so it is 14 years old, younger than the Minnesota average of 38.5 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 18,582 vehicles a day, roughly 6% of them trucks, projected to reach 19,600 by 2042. The structure is 1,097 ft (334.3 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesCon 18
CrossesI 494; US 169; Marth RD
Location0.1 MI E of JCT TH 169
RouteInterstate 18
CountyHennepin County
StateMinnesota
Coordinates44.85916, -93.3939
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length1,097 ft (334.3 m)
Longest span204 ft (62.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,582 (2022)
Projected traffic19,600 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Con 18 over I 494; US 169; Marth RD built?

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

What condition is Con 18 over I 494; US 169; Marth RD 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 Con 18 over I 494; US 169; Marth RD carry?

About 18,582 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Con 18 over I 494; US 169; Marth RD?

The structure is 1,097 ft (334.3 m) long with a longest span of 204 ft (62.2 m) and a deck 35 ft wide.

Who owns Con 18 over I 494; US 169; Marth RD?

It is owned by the State Highway Agency.