US Bridges

CO HWY 16 FAS 355 over Mole Creek

Fair

Livingston County, Illinois · 5.5 MI N Flanagan · Structure no. 053303300000000

Built
1937
88 years old, rebuilt 1984
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
45 ft
2 main spans
Daily traffic
850
2023 count
Owner
County
County Highway Agency

About this bridge

CO HWY 16 FAS 355 over Mole Creek is a steel continuous stringer/multi-beam or girder carrying CO HWY 16 FAS 355 over Mole Creek in Livingston County, Illinois. It was built in 1937 and reconstructed in 1984, so it is 88 years old, older than the Illinois average of 45.3 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 850 vehicles a day, roughly 12% of them trucks, projected to reach 859 by 2046. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCO HWY 16 FAS 355
CrossesMole Creek
Location5.5 MI N Flanagan
RouteCounty Highway 0
Coordinates40.95092, -88.87368
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length45 ft (13.7 m)
Longest span22 ft (6.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic859 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 CO HWY 16 FAS 355 over Mole Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1984.

What condition is CO HWY 16 FAS 355 over Mole 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 July 2023.

How much traffic does CO HWY 16 FAS 355 over Mole Creek carry?

About 850 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is CO HWY 16 FAS 355 over Mole Creek?

The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 33 ft wide.

Who owns CO HWY 16 FAS 355 over Mole Creek?

It is owned by the County Highway Agency.