US Bridges

Msas 109 over Straight River

Fair

Steele County, Minnesota · 0.8 MI E of JCT TH 14 · Structure no. 74539

Built
1991
34 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
153 ft
3 main spans
Daily traffic
14,100
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 109 over Straight River is a concrete continuous slab carrying Msas 109 over Straight River in Steele County, Minnesota. It was built in 1991, so it is 34 years old, younger 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 6 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 14,100 vehicles a day, projected to reach 14,600 by 2039. The structure is 153 ft (46.7 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMsas 109
CrossesStraight River
Location0.8 MI E of JCT TH 14
RouteCity Street 109
CountySteele County
StateMinnesota
Coordinates44.08428, -93.23042
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length153 ft (46.7 m)
Longest span62 ft (18.9 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,100 (2019)
Projected traffic14,600 by 2039
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Msas 109 over Straight River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Msas 109 over Straight River 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 April 2023.

How much traffic does Msas 109 over Straight River carry?

About 14,100 vehicles per day (2019 count).

How long is Msas 109 over Straight River?

The structure is 153 ft (46.7 m) long with a longest span of 62 ft (18.9 m) and a deck 66 ft wide.

Who owns Msas 109 over Straight River?

It is owned by the City or Municipal Highway Agency.