US Bridges

FAP 697(ILL. RTE 9 over Trib. to Big 4 Ditch

Fair

Ford County, Illinois · .4 M W of Elliot RD · Structure no. 027201300000000

Built
1998
27 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,550
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 697(ILL. RTE 9 over Trib. to Big 4 Ditch is a concrete culvert carrying FAP 697(ILL. RTE 9 over Trib. to Big 4 Ditch in Ford County, Illinois. It was built in 1998, so it is 27 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 2,550 vehicles a day, roughly 12% of them trucks, projected to reach 1,970 by 2046. The structure is 21 ft (6.5 m) long and 43 ft wide.

Location

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CarriesFAP 697(ILL. RTE 9
CrossesTrib. to Big 4 Ditch
Location.4 M W of Elliot RD
RouteState Highway 9
CountyFord County
StateIllinois
Coordinates40.45749, -88.27504
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2023)
Projected traffic1,970 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 697(ILL. RTE 9 over Trib. to Big 4 Ditch built?

It was built in 1998, making it 27 years old in 2025.

What condition is FAP 697(ILL. RTE 9 over Trib. to Big 4 Ditch 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 March 2023.

How much traffic does FAP 697(ILL. RTE 9 over Trib. to Big 4 Ditch carry?

About 2,550 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FAP 697(ILL. RTE 9 over Trib. to Big 4 Ditch?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns FAP 697(ILL. RTE 9 over Trib. to Big 4 Ditch?

It is owned by the State Highway Agency.