US Bridges

FAS 1743 over Trib Blue Grass Crk

Good

Montgomery County, Illinois · 4.0 MI N Butler · Structure no. 068503500000000

Built
1988
37 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
250
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 1743 over Trib Blue Grass Crk is a concrete continuous culvert carrying FAS 1743 over Trib Blue Grass Crk in Montgomery County, Illinois. It was built in 1988, so it is 37 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 8% of them trucks, projected to reach 253 by 2046. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS 1743
CrossesTrib Blue Grass Crk
Location4.0 MI N Butler
RouteCounty Highway 0
Coordinates39.26121, -89.52722
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic253 by 2046
Trucks8%
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 1743 over Trib Blue Grass Crk built?

It was built in 1988, making it 37 years old in 2025.

What condition is FAS 1743 over Trib Blue Grass Crk 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 January 2025.

How much traffic does FAS 1743 over Trib Blue Grass Crk carry?

About 250 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is FAS 1743 over Trib Blue Grass Crk?

The structure is 40 ft (12.1 m) long with a longest span of 13 ft (3.9 m).

Who owns FAS 1743 over Trib Blue Grass Crk?

It is owned by the County Highway Agency.