US Bridges

TR 39 (TH-C59) over Trib Sandy Creek

Good

Marshall County, Illinois · T30N-R1E-3PM Sec 11 · Structure no. 062456200000000

Built
1990
35 years old
Condition
Good
inspected April 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
88 ft
3 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 39 (TH-C59) over Trib Sandy Creek is a prestressed concrete box beam or girders - multiple carrying TR 39 (TH-C59) over Trib Sandy Creek in Marshall County, Illinois. It was built in 1990, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 88 ft (26.7 m) long and 28 ft wide.

CarriesTR 39 (TH-C59)
CrossesTrib Sandy Creek
LocationT30N-R1E-3PM Sec 11
RouteCounty Highway 0
Coordinates41.08674, -89.07781
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length88 ft (26.7 m)
Longest span28 ft (8.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 39 (TH-C59) over Trib Sandy Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is TR 39 (TH-C59) over Trib Sandy 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 2021.

How much traffic does TR 39 (TH-C59) over Trib Sandy Creek carry?

About 50 vehicles per day (2024 count).

How long is TR 39 (TH-C59) over Trib Sandy Creek?

The structure is 88 ft (26.7 m) long with a longest span of 28 ft (8.6 m) and a deck 28 ft wide.

Who owns TR 39 (TH-C59) over Trib Sandy Creek?

It is owned by the Town or Township Highway Agency.