US Bridges

4th Street over Unnamed Creek

Good

Hancock County, Illinois · 0.06 E Il 9 · Structure no. 034602800000000

Built
2010
15 years old
Condition
Good
inspected March 2022
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
150
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th Street over Unnamed Creek is a concrete culvert carrying 4th Street over Unnamed Creek in Hancock County, Illinois. It was built in 2010, so it is 15 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 15% of them trucks, projected to reach 379 by 2046. The structure is 24 ft (7.4 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries4th Street
CrossesUnnamed Creek
Location0.06 E Il 9
RouteCity Street 0
Coordinates40.63591, -91.16608
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length24 ft (7.4 m)
Longest span11 ft (3.4 m)
Deck width46 ft (13.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic379 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 4th Street over Unnamed Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is 4th Street over Unnamed Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2022.

How much traffic does 4th Street over Unnamed Creek carry?

About 150 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is 4th Street over Unnamed Creek?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.4 m) and a deck 46 ft wide.

Who owns 4th Street over Unnamed Creek?

It is owned by the City or Municipal Highway Agency.