US Bridges

TR 12 (TH-R63) over Deer Creek

Fair

Marshall County, Illinois · T12N-R8E-4PM Sec 34 · Structure no. 062512700000000

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 12 (TH-R63) over Deer Creek is a concrete channel beam carrying TR 12 (TH-R63) over Deer Creek in Marshall County, Illinois. It was built in 1975, so it is 50 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 5 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 40 ft (12.2 m) long and 23 ft wide.

Location

Open in Google Maps
CarriesTR 12 (TH-R63)
CrossesDeer Creek
LocationT12N-R8E-4PM Sec 34
RouteCounty Highway 0
CountyMarshall County
StateIllinois
Coordinates40.98263, -89.56544
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating46.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$86,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 12 (TH-R63) over Deer Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is TR 12 (TH-R63) over Deer Creek 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 August 2023.

How much traffic does TR 12 (TH-R63) over Deer Creek carry?

About 25 vehicles per day (2024 count).

How long is TR 12 (TH-R63) over Deer Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 23 ft wide.

Who owns TR 12 (TH-R63) over Deer Creek?

It is owned by the Town or Township Highway Agency.