US Bridges

FAP 323(US 36) over Dry Fork

Good

Douglas County, Illinois · Just E of Garrett · Structure no. 021001700000000

Built
1927
98 years old, rebuilt 1991
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
3,550
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 323(US 36) over Dry Fork is a concrete slab carrying FAP 323(US 36) over Dry Fork in Douglas County, Illinois. It was built in 1927 and reconstructed in 1991, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,550 vehicles a day, roughly 15% of them trucks, projected to reach 3,889 by 2046. The structure is 32 ft (9.9 m) long and 39 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesFAP 323(US 36)
CrossesDry Fork
LocationJust E of Garrett
RouteU.S. Route 36
CountyDouglas County
StateIllinois
Coordinates39.79173, -88.41761
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating84.3 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span31 ft (9.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,550 (2023)
Projected traffic3,889 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 FAP 323(US 36) over Dry Fork built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1991.

What condition is FAP 323(US 36) over Dry Fork in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does FAP 323(US 36) over Dry Fork carry?

About 3,550 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is FAP 323(US 36) over Dry Fork?

The structure is 32 ft (9.9 m) long with a longest span of 31 ft (9.4 m) and a deck 39 ft wide.

Who owns FAP 323(US 36) over Dry Fork?

It is owned by the State Highway Agency.