US Bridges

Ill 84 (fap 308) over Rush Creek

Fair

Carroll County, Illinois · 3.1 MI S Jo Dav CO · Structure no. 008001500000000

Built
1927
98 years old, rebuilt 2022
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
289 ft
5 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 84 (fap 308) over Rush Creek is a steel continuous stringer/multi-beam or girder carrying Ill 84 (fap 308) over Rush Creek in Carroll County, Illinois. It was built in 1927 and reconstructed in 2022, so it is 98 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 1,400 vehicles a day, roughly 19% of them trucks, projected to reach 1,768 by 2046. The structure is 289 ft (88.2 m) long and 35 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

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CarriesIll 84 (fap 308)
CrossesRush Creek
Location3.1 MI S Jo Dav CO
RouteState Highway 84
CountyCarroll County
StateIllinois
Coordinates42.16047, -90.18586
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length289 ft (88.2 m)
Longest span58 ft (17.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,768 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 84 (fap 308) over Rush Creek built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 2022.

What condition is Ill 84 (fap 308) over Rush 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 October 2023.

How much traffic does Ill 84 (fap 308) over Rush Creek carry?

About 1,400 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Ill 84 (fap 308) over Rush Creek?

The structure is 289 ft (88.2 m) long with a longest span of 58 ft (17.6 m) and a deck 35 ft wide.

Who owns Ill 84 (fap 308) over Rush Creek?

It is owned by the State Highway Agency.