US Bridges

US Rt 6 over Geneseo Creek

Fair

Henry County, Illinois · W Side of Geneseo · Structure no. 037013300000000

Built
1982
43 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
4,900
2022 count
Owner
State
State Highway Agency

About this bridge

US Rt 6 over Geneseo Creek is a prestressed concrete box beam or girders - multiple carrying US Rt 6 over Geneseo Creek in Henry County, Illinois. It was built in 1982, so it is 43 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 4,900 vehicles a day, roughly 7% of them trucks, projected to reach 5,778 by 2046. The structure is 66 ft (20.2 m) long and 42 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS Rt 6
CrossesGeneseo Creek
LocationW Side of Geneseo
RouteU.S. Route 6
Coordinates41.44775, -90.16327
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20.2 m)
Longest span65 ft (19.9 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2022)
Projected traffic5,778 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$558,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US Rt 6 over Geneseo Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is US Rt 6 over Geneseo 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 February 2024.

How much traffic does US Rt 6 over Geneseo Creek carry?

About 4,900 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US Rt 6 over Geneseo Creek?

The structure is 66 ft (20.2 m) long with a longest span of 65 ft (19.9 m) and a deck 42 ft wide.

Who owns US Rt 6 over Geneseo Creek?

It is owned by the State Highway Agency.