US Bridges

S Main ST (fas 174 over Trib to Beaver Creek

FairPosted for load

Bond County, Illinois · 0.5 M So Smithboro · Structure no. 003200300000000

Built
1927
98 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
250
2020 count
Owner
State
State Highway Agency

About this bridge

S Main ST (fas 174 over Trib to Beaver Creek is a concrete continuous culvert carrying S Main ST (fas 174 over Trib to Beaver Creek in Bond County, Illinois. It was built in 1927, so it is 98 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. Its operating status is: posted for load restriction.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 253 by 2046. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS Main ST (fas 174
CrossesTrib to Beaver Creek
Location0.5 M So Smithboro
RouteCounty Highway 0
Coordinates38.88898, -89.34068
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating16.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic253 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 S Main ST (fas 174 over Trib to Beaver Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is S Main ST (fas 174 over Trib to Beaver 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 October 2024.

How much traffic does S Main ST (fas 174 over Trib to Beaver Creek carry?

About 250 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is S Main ST (fas 174 over Trib to Beaver Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns S Main ST (fas 174 over Trib to Beaver Creek?

It is owned by the State Highway Agency.