US Bridges

Msas 231 over I 694

Fair

Washington County, Minnesota · 1.5 MI N of JCT TH 94 · Structure no. 82803

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
215 ft
4 main spans
Daily traffic
4,627
2022 count
Owner
State
State Highway Agency

About this bridge

Msas 231 over I 694 is a prestressed concrete stringer/multi-beam or girder carrying Msas 231 over I 694 in Washington County, Minnesota. It was built in 1967, so it is 58 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,627 vehicles a day, projected to reach 4,800 by 2042. The structure is 215 ft (65.4 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesMsas 231
CrossesI 694
Location1.5 MI N of JCT TH 94
RouteCity Street 231
CountyWashington County
StateMinnesota
Coordinates44.9705, -92.95872
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.8 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length215 ft (65.4 m)
Longest span67 ft (20.4 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,627 (2022)
Projected traffic4,800 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Msas 231 over I 694 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Msas 231 over I 694 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Msas 231 over I 694 carry?

About 4,627 vehicles per day (2022 count).

How long is Msas 231 over I 694?

The structure is 215 ft (65.4 m) long with a longest span of 67 ft (20.4 m) and a deck 44 ft wide.

Who owns Msas 231 over I 694?

It is owned by the State Highway Agency.