US Bridges

TR 64A Lyman over Stream

Good

Ford County, Illinois · 1760N 1700E · Structure no. 027336400000000

Built
1986
39 years old
Condition
Good
inspected April 2024
Type
Channel Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
25
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 64A Lyman over Stream is a concrete channel beam carrying TR 64A Lyman over Stream in Ford County, Illinois. It was built in 1986, so it is 39 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 66 ft (20.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 64A Lyman
CrossesStream
Location1760N 1700E
RouteCounty Highway 0
Coordinates40.65617, -88.14008
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length66 ft (20.1 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 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 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 64A Lyman over Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is TR 64A Lyman over Stream 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 64A Lyman over Stream carry?

About 25 vehicles per day (2023 count).

How long is TR 64A Lyman over Stream?

The structure is 66 ft (20.1 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns TR 64A Lyman over Stream?

It is owned by the Town or Township Highway Agency.