US Bridges

Allen RD - TR 64 over Main Ditch

Good

Tazewell County, Illinois · NW-28-T22NR5W · Structure no. 090306300000000

Built
1962
63 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
108 ft
3 main spans
Daily traffic
25
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Allen RD - TR 64 over Main Ditch is a steel continuous stringer/multi-beam or girder carrying Allen RD - TR 64 over Main Ditch in Tazewell County, Illinois. It was built in 1962, so it is 63 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 108 ft (32.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAllen RD - TR 64
CrossesMain Ditch
LocationNW-28-T22NR5W
RouteCounty Highway 0
Coordinates40.33139, -89.67862
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating47.5 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length108 ft (32.9 m)
Longest span41 ft (12.5 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Allen RD - TR 64 over Main Ditch built?

It was built in 1962, making it 63 years old in 2025.

What condition is Allen RD - TR 64 over Main 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 January 2024.

How much traffic does Allen RD - TR 64 over Main Ditch carry?

About 25 vehicles per day (2023 count).

How long is Allen RD - TR 64 over Main Ditch?

The structure is 108 ft (32.9 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.

Who owns Allen RD - TR 64 over Main Ditch?

It is owned by the Town or Township Highway Agency.