US Bridges

Trask Bridge RD over Unnamed Creek

Fair

Winnebago County, Illinois · 0.2 MI E County Line · Structure no. 101510100000000

Built
1983
42 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
850
2022 count
Owner
County
County Highway Agency

About this bridge

Trask Bridge RD over Unnamed Creek is a concrete culvert carrying Trask Bridge RD over Unnamed Creek in Winnebago County, Illinois. It was built in 1983, so it is 42 years old, younger 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 850 vehicles a day, roughly 6% of them trucks, projected to reach 909 by 2046. The structure is 26 ft (7.9 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTrask Bridge RD
CrossesUnnamed Creek
Location0.2 MI E County Line
RouteCounty Highway 0
CountyWinnebago County
StateIllinois
Coordinates42.37519, -89.39311
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2022)
Projected traffic909 by 2046
Trucks6%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Trask Bridge RD over Unnamed Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Trask Bridge RD over Unnamed 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 April 2023.

How much traffic does Trask Bridge RD over Unnamed Creek carry?

About 850 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Trask Bridge RD over Unnamed Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns Trask Bridge RD over Unnamed Creek?

It is owned by the County Highway Agency.