US Bridges

TR 312 over Masters Fork

PoorPosted for load

Bureau County, Illinois · 4 MI W of LA Moille · Structure no. 006417300000000

Built
1915
110 years old
Condition
Poor
inspected November 2023
Type
Other
Concrete
Length
53 ft
1 main span
Daily traffic
25
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 312 over Masters Fork is a concrete other carrying TR 312 over Masters Fork in Bureau County, Illinois. It was built in 1915, so it is 110 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 53 ft (16.2 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 312
CrossesMasters Fork
Location4 MI W of LA Moille
RouteCounty Highway 0
CountyBureau County
StateIllinois
Coordinates41.52962, -89.37345
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating23.9 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span52 ft (15.7 m)
Deck width21 ft (6.4 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2010)
Projected traffic25 by 2046
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$147,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 312 over Masters Fork built?

It was built in 1915, making it 110 years old in 2025.

What condition is TR 312 over Masters Fork 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 November 2023.

How much traffic does TR 312 over Masters Fork carry?

About 25 vehicles per day (2010 count).

How long is TR 312 over Masters Fork?

The structure is 53 ft (16.2 m) long with a longest span of 52 ft (15.7 m) and a deck 21 ft wide.

Who owns TR 312 over Masters Fork?

It is owned by the Town or Township Highway Agency.