US Bridges

TR 39 over Branch of Tilton Cr.

PoorPosted for load

Hancock County, Illinois · 1.0 MI W Durham · Structure no. 034411800000000

Built
1914
111 years old
Condition
Poor
inspected December 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
25
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 39 over Branch of Tilton Cr. is a concrete slab carrying TR 39 over Branch of Tilton Cr. in Hancock County, Illinois. It was built in 1914, so it is 111 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 25 by 2046. The structure is 22 ft (6.7 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 39
CrossesBranch of Tilton Cr.
Location1.0 MI W Durham
RouteCounty Highway 0
Coordinates40.60002, -91.10597
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.2 US tons
Inventory rating0 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic25 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$51,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 39 over Branch of Tilton Cr. built?

It was built in 1914, making it 111 years old in 2025.

What condition is TR 39 over Branch of Tilton Cr. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does TR 39 over Branch of Tilton Cr. carry?

About 25 vehicles per day (2023 count).

How long is TR 39 over Branch of Tilton Cr.?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 17 ft wide.

Who owns TR 39 over Branch of Tilton Cr.?

It is owned by the Town or Township Highway Agency.