US Bridges

Csah 18 over I 94

Good

Wright County, Minnesota · 1.5 MI E of JCT TH 25 · Structure no. 86530

Built
2005
20 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
272 ft
2 main spans
Daily traffic
11,698
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 18 over I 94 is a prestressed concrete stringer/multi-beam or girder carrying Csah 18 over I 94 in Wright County, Minnesota. It was built in 2005, so it is 20 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,698 vehicles a day, projected to reach 12,000 by 2042. The structure is 272 ft (82.8 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 18
CrossesI 94
Location1.5 MI E of JCT TH 25
RouteCounty Highway 18
Coordinates45.29081, -93.77054
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.6 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length272 ft (82.8 m)
Longest span133 ft (40.5 m)
Deck width110 ft (33.4 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,698 (2022)
Projected traffic12,000 by 2042
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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$1,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 18 over I 94 built?

It was built in 2005, making it 20 years old in 2025.

What condition is Csah 18 over I 94 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 July 2023.

How much traffic does Csah 18 over I 94 carry?

About 11,698 vehicles per day (2022 count).

How long is Csah 18 over I 94?

The structure is 272 ft (82.8 m) long with a longest span of 133 ft (40.5 m) and a deck 110 ft wide.

Who owns Csah 18 over I 94?

It is owned by the State Highway Agency.