US Bridges

FAS-1787 over Davidson Creek

Good

Marion County, Illinois · 2 MI W Tonti · Structure no. 061500500000000

Built
1940
85 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
525
2022 count
Owner
County
County Highway Agency

About this bridge

FAS-1787 over Davidson Creek is a concrete culvert carrying FAS-1787 over Davidson Creek in Marion County, Illinois. It was built in 1940, so it is 85 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 525 vehicles a day, roughly 5% of them trucks, projected to reach 581 by 2046. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS-1787
CrossesDavidson Creek
Location2 MI W Tonti
RouteCounty Highway 0
Coordinates38.67018, -89.01416
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2022)
Projected traffic581 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS-1787 over Davidson Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is FAS-1787 over Davidson 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 February 2024.

How much traffic does FAS-1787 over Davidson Creek carry?

About 525 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAS-1787 over Davidson Creek?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.3 m).

Who owns FAS-1787 over Davidson Creek?

It is owned by the County Highway Agency.