US Bridges

Ill Rt 84 over Spring Creek

Fair

Whiteside County, Illinois · .5 MI N Albany · Structure no. 098002300000000

Built
1932
93 years old, rebuilt 2006
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
4,050
2023 count
Owner
State
State Highway Agency

About this bridge

Ill Rt 84 over Spring Creek is a prestressed concrete box beam or girders - multiple carrying Ill Rt 84 over Spring Creek in Whiteside County, Illinois. It was built in 1932 and reconstructed in 2006, so it is 93 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 4,050 vehicles a day, roughly 11% of them trucks, projected to reach 4,495 by 2046. The structure is 54 ft (16.6 m) long and 41 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesIll Rt 84
CrossesSpring Creek
Location.5 MI N Albany
RouteState Highway 84
Coordinates41.79616, -90.19754
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length54 ft (16.6 m)
Longest span52 ft (15.8 m)
Deck width41 ft (12.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,050 (2023)
Projected traffic4,495 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ill Rt 84 over Spring Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2006.

What condition is Ill Rt 84 over Spring 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 September 2023.

How much traffic does Ill Rt 84 over Spring Creek carry?

About 4,050 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill Rt 84 over Spring Creek?

The structure is 54 ft (16.6 m) long with a longest span of 52 ft (15.8 m) and a deck 41 ft wide.

Who owns Ill Rt 84 over Spring Creek?

It is owned by the State Highway Agency.