US Bridges

Mn 9 over Jd #51

Good

Norman County, Minnesota · 0.2 MI N of Ada · Structure no. 54X10

Built
2013
12 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
1,436
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 9 over Jd #51 is a concrete culvert carrying Mn 9 over Jd #51 in Norman County, Minnesota. It was built in 2013, so it is 12 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 1,436 vehicles a day, roughly 11% of them trucks, projected to reach 1,650 by 2042. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesMn 9
CrossesJd #51
Location0.2 MI N of Ada
RouteState Highway 9
Coordinates47.30387, -96.5161
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length30 ft (9.2 m)
Longest span17 ft (5.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,436 (2022)
Projected traffic1,650 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 9 over Jd #51 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Mn 9 over Jd #51 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 August 2024.

How much traffic does Mn 9 over Jd #51 carry?

About 1,436 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Mn 9 over Jd #51?

The structure is 30 ft (9.2 m) long with a longest span of 17 ft (5.1 m).

Who owns Mn 9 over Jd #51?

It is owned by the State Highway Agency.