US Bridges

TR 55 over Br Drowning Fork

Good

McDonough County, Illinois · SW-30-T7NR1W · Structure no. 055411200000000

Built
2001
24 years old
Condition
Good
inspected January 2025
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
350
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 55 over Br Drowning Fork is a concrete frame carrying TR 55 over Br Drowning Fork in McDonough County, Illinois. It was built in 2001, so it is 24 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 6% of them trucks, projected to reach 354 by 2046. The structure is 26 ft (7.8 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 55
CrossesBr Drowning Fork
LocationSW-30-T7NR1W
RouteCounty Highway 0
Coordinates40.55746, -90.55606
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
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span26 ft (7.8 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic354 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 55 over Br Drowning Fork built?

It was built in 2001, making it 24 years old in 2025.

What condition is TR 55 over Br Drowning 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 January 2025.

How much traffic does TR 55 over Br Drowning Fork carry?

About 350 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is TR 55 over Br Drowning Fork?

The structure is 26 ft (7.8 m) long with a longest span of 26 ft (7.8 m) and a deck 22 ft wide.

Who owns TR 55 over Br Drowning Fork?

It is owned by the Town or Township Highway Agency.