US Bridges

TR 304 over Mid Fk Shoal Creek

Fair

Montgomery County, Illinois · 6 MI NW Nokomis · Structure no. 068326800000000

Built
1984
41 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Concrete
Length
76 ft
3 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 304 over Mid Fk Shoal Creek is a concrete channel beam carrying TR 304 over Mid Fk Shoal Creek in Montgomery County, Illinois. It was built in 1984, so it is 41 years old, younger 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 76 ft (23.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 304
CrossesMid Fk Shoal Creek
Location6 MI NW Nokomis
RouteCounty Highway 0
CountyMontgomery County
StateIllinois
Coordinates39.34317, -89.38223
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span32 ft (9.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 304 over Mid Fk Shoal Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is TR 304 over Mid Fk Shoal 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 November 2024.

How much traffic does TR 304 over Mid Fk Shoal Creek carry?

About 50 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is TR 304 over Mid Fk Shoal Creek?

The structure is 76 ft (23.2 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns TR 304 over Mid Fk Shoal Creek?

It is owned by the Town or Township Highway Agency.