US Bridges

T 316 over CO Ditch # 5

Fair

Blue Earth County, Minnesota · 0.5 MI S of JCT CR 171 · Structure no. 91869

Built
1979
46 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
32
1969 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 316 over CO Ditch # 5 is a concrete culvert carrying T 316 over CO Ditch # 5 in Blue Earth County, Minnesota. It was built in 1979, so it is 46 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.

It carries about 32 vehicles a day, projected to reach 32 by 2029. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 316
CrossesCO Ditch # 5
Location0.5 MI S of JCT CR 171
RouteCounty Highway 316
Coordinates43.97185, -93.80823
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32 (1969)
Projected traffic32 by 2029
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 316 over CO Ditch # 5 built?

It was built in 1979, making it 46 years old in 2025.

What condition is T 316 over CO Ditch # 5 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 2024.

How much traffic does T 316 over CO Ditch # 5 carry?

About 32 vehicles per day (1969 count).

How long is T 316 over CO Ditch # 5?

The structure is 33 ft (10.1 m) long with a longest span of 14 ft (4.3 m).

Who owns T 316 over CO Ditch # 5?

It is owned by the Town or Township Highway Agency.