US Bridges

TR 228 over Br Big Slough Ditch

Good

Henry County, Illinois · 5 Mi. Ne. Geneseo · Structure no. 037333000000000

Built
1996
29 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
36 ft
1 main span
Daily traffic
50
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 228 over Br Big Slough Ditch is a concrete box beam or girders - multiple carrying TR 228 over Br Big Slough Ditch in Henry County, Illinois. It was built in 1996, so it is 29 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 50 vehicles a day, roughly 20% of them trucks, projected to reach 54 by 2046. The structure is 36 ft (10.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 228
CrossesBr Big Slough Ditch
Location5 Mi. Ne. Geneseo
RouteCounty Highway 0
Coordinates41.50548, -90.10907
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (10.9 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 (2010)
Projected traffic54 by 2046
Trucks20%
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 228 over Br Big Slough Ditch built?

It was built in 1996, making it 29 years old in 2025.

What condition is TR 228 over Br Big Slough Ditch 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 228 over Br Big Slough Ditch carry?

About 50 vehicles per day (2010 count), of which roughly 20% are trucks.

How long is TR 228 over Br Big Slough Ditch?

The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns TR 228 over Br Big Slough Ditch?

It is owned by the Town or Township Highway Agency.