Csah 16 over Lily Creek

FairPosted for load

Sherburne County, Minnesota · 1.6 MI W of JCT TH 25 · Structure no. 71508

Built: 1971; 54 years old
Condition: Fair; inspected October 2023
Type: Slab; Wood or Timber
Length: 78 ft; 3 main spans
Daily traffic: 2,300; 2018 count
Owner: County; County Highway Agency

About this bridge

Csah 16 over Lily Creek is a wood or timber slab carrying Csah 16 over Lily Creek in Sherburne County, Minnesota. It was built in 1971, so it is 54 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. Its operating status is: posted for load restriction.

It carries about 2,300 vehicles a day, projected to reach 2,150 by 2038. The structure is 78 ft (23.8 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCsah 16

CrossesLily Creek

Location1.6 MI W of JCT TH 25

RouteCounty Highway 16

CountySherburne County

StateMinnesota

Coordinates45.48426, -93.93644

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	7 Good	Some minor problems.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating49.3 US tons

Inventory rating32.6 US tons

Structure

Structure typeSlab

MaterialWood or Timber

DeckWood or timber

Main spans3

Design loadHS 20

Structure length78 ft (23.8 m)

Longest span26 ft (7.9 m)

Deck width38 ft (11.7 m)

Roadway width37 ft (11.4 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2018)

Projected traffic2,150 by 2038

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.8 mi (11 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—

NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 16 over Lily Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 16 over Lily 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 October 2023.

How much traffic does Csah 16 over Lily Creek carry?

About 2,300 vehicles per day (2018 count).

How long is Csah 16 over Lily Creek?

The structure is 78 ft (23.8 m) long with a longest span of 26 ft (7.9 m) and a deck 38 ft wide.

Who owns Csah 16 over Lily Creek?

It is owned by the County Highway Agency.