US Bridges

TR 0468 over Coal Creek

Good

Henry County, Illinois · 2.0 MI NE Annawan · Structure no. 037322400000000

Built
1974
51 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
135 ft
1 main span
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 0468 over Coal Creek is a steel stringer/multi-beam or girder carrying TR 0468 over Coal Creek in Henry County, Illinois. It was built in 1974, so it is 51 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 100 vehicles a day, roughly 16% of them trucks, projected to reach 108 by 2046. The structure is 135 ft (41.1 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesTR 0468
CrossesCoal Creek
Location2.0 MI NE Annawan
RouteCounty Highway 0
CountyHenry County
StateIllinois
Coordinates41.41941, -89.87648
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating40 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 15
Structure length135 ft (41.1 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic108 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$62,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 0468 over Coal Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is TR 0468 over Coal Creek 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 April 2024.

How much traffic does TR 0468 over Coal Creek carry?

About 100 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is TR 0468 over Coal Creek?

The structure is 135 ft (41.1 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns TR 0468 over Coal Creek?

It is owned by the Town or Township Highway Agency.