US Bridges

Mn 13 over Credit River

Fair

Scott County, Minnesota · 1.7 MI E of JCT TH 101 · Structure no. 5829

Built
1939
86 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
54,000
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 13 over Credit River is a concrete culvert carrying Mn 13 over Credit River in Scott County, Minnesota. It was built in 1939, so it is 86 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 54,000 vehicles a day, roughly 8% of them trucks, projected to reach 48,500 by 2039. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMn 13
CrossesCredit River
Location1.7 MI E of JCT TH 101
RouteState Highway 13
Coordinates44.77904, -93.34315
Functional classUrban Other Principal 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,000 (2019)
Projected traffic48,500 by 2039
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 13 over Credit River built?

It was built in 1939, making it 86 years old in 2025.

What condition is Mn 13 over Credit 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 August 2024.

How much traffic does Mn 13 over Credit River carry?

About 54,000 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Mn 13 over Credit River?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns Mn 13 over Credit River?

It is owned by the State Highway Agency.