US Bridges

TR 30 over Dry Fork

Good

Douglas County, Illinois · 1.3 Mile SE Garrett · Structure no. 021402100000000

Built
1981
44 years old
Condition
Good
inspected December 2023
Type
Channel Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 30 over Dry Fork is a concrete channel beam carrying TR 30 over Dry Fork in Douglas 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 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 68 ft (20.7 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 30
CrossesDry Fork
Location1.3 Mile SE Garrett
RouteCounty Highway 0
CountyDouglas County
StateIllinois
Coordinates39.77915, -88.41376
Functional classRural Local

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 inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span33 ft (10.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 TR 30 over Dry Fork built?

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

What condition is TR 30 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 December 2023.

How much traffic does TR 30 over Dry Fork carry?

About 50 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is TR 30 over Dry Fork?

The structure is 68 ft (20.7 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns TR 30 over Dry Fork?

It is owned by the Town or Township Highway Agency.