US Bridges

Csah 16 over Sleepy Eye Creek

FairPosted for load

Brown County, Minnesota · 0.9 MI N of JCT TH 14 · Structure no. 08503

Built
1963
62 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Prestressed Concrete
Length
78 ft
3 main spans
Daily traffic
452
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over Sleepy Eye Creek is a prestressed concrete channel beam carrying Csah 16 over Sleepy Eye Creek in Brown County, Minnesota. It was built in 1963, so it is 62 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 452 vehicles a day, projected to reach 490 by 2042. The structure is 78 ft (23.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 16
CrossesSleepy Eye Creek
Location0.9 MI N of JCT TH 14
RouteCounty Highway 16
Coordinates44.27575, -94.90661
Functional classRural Major 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating44.1 US tons
Inventory rating26.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length78 ft (23.8 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic452 (2022)
Projected traffic490 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$185 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 16 over Sleepy Eye Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Csah 16 over Sleepy Eye Creek 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 November 2023.

How much traffic does Csah 16 over Sleepy Eye Creek carry?

About 452 vehicles per day (2022 count).

How long is Csah 16 over Sleepy Eye Creek?

The structure is 78 ft (23.8 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Csah 16 over Sleepy Eye Creek?

It is owned by the County Highway Agency.