US Bridges

Gridley RD - TR 89 over Jobs Creek

Fair

Cass County, Illinois · 2 MI E Virginia · Structure no. 009350100000000

Built
1981
44 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
400
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Gridley RD - TR 89 over Jobs Creek is a steel stringer/multi-beam or girder carrying Gridley RD - TR 89 over Jobs Creek in Cass County, Illinois. It was built in 1981, so it is 44 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 253 by 2046. The structure is 48 ft (14.5 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesGridley RD - TR 89
CrossesJobs Creek
Location2 MI E Virginia
RouteCounty Highway 0
CountyCass County
StateIllinois
Coordinates39.9529, -90.16838
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.5 m)
Longest span47 ft (14.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic253 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Gridley RD - TR 89 over Jobs Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Gridley RD - TR 89 over Jobs 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 January 2023.

How much traffic does Gridley RD - TR 89 over Jobs Creek carry?

About 400 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Gridley RD - TR 89 over Jobs Creek?

The structure is 48 ft (14.5 m) long with a longest span of 47 ft (14.2 m) and a deck 26 ft wide.

Who owns Gridley RD - TR 89 over Jobs Creek?

It is owned by the Town or Township Highway Agency.