US Bridges

County Highway 16 over Br of W Fork Spoon R

Fair

Bureau County, Illinois · 3 MI SW Neponset · Structure no. 006501500000000

Built
1936
89 years old
Condition
Fair
inspected March 2024
Type
Culvert
Steel
Length
31 ft
2 main spans
Daily traffic
425
2020 count
Owner
County
County Highway Agency

About this bridge

County Highway 16 over Br of W Fork Spoon R is a steel culvert carrying County Highway 16 over Br of W Fork Spoon R in Bureau County, Illinois. It was built in 1936, so it is 89 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 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 425 vehicles a day, roughly 19% of them trucks, projected to reach 429 by 2046. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCounty Highway 16
CrossesBr of W Fork Spoon R
Location3 MI SW Neponset
RouteCounty Highway 0
Coordinates41.25633, -89.81197
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length31 ft (9.4 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 traffic425 (2020)
Projected traffic429 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 County Highway 16 over Br of W Fork Spoon R built?

It was built in 1936, making it 89 years old in 2025.

What condition is County Highway 16 over Br of W Fork Spoon R 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 March 2024.

How much traffic does County Highway 16 over Br of W Fork Spoon R carry?

About 425 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is County Highway 16 over Br of W Fork Spoon R?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns County Highway 16 over Br of W Fork Spoon R?

It is owned by the County Highway Agency.