US Bridges

TR 473 over E Fk Wood R

Fair

Macoupin County, Illinois · 2 MI S 2 MI W Bunker · Structure no. 059320800000000

Built
1900
125 years old, rebuilt 1970
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 473 over E Fk Wood R is a prestressed concrete box beam or girders - multiple carrying TR 473 over E Fk Wood R in Macoupin County, Illinois. It was built in 1900 and reconstructed in 1970, so it is 125 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 101 by 2046. The structure is 44 ft (13.4 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTR 473
CrossesE Fk Wood R
Location2 MI S 2 MI W Bunker
RouteCounty Highway 0
CountyMacoupin County
StateIllinois
Coordinates39.00786, -89.99976
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
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 alignment6: Equal to present minimum criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span38 ft (11.6 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic101 by 2046
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 473 over E Fk Wood R built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1970.

What condition is TR 473 over E Fk Wood R in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does TR 473 over E Fk Wood R carry?

About 100 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is TR 473 over E Fk Wood R?

The structure is 44 ft (13.4 m) long with a longest span of 38 ft (11.6 m) and a deck 21 ft wide.

Who owns TR 473 over E Fk Wood R?

It is owned by the Town or Township Highway Agency.