US Bridges

FAU 8324 -Trimble over Stream

Good

Crawford County, Illinois · 0.75 MI NE Robinson · Structure no. 017201400000000

Built
2010
15 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
3,050
2023 count
Owner
State
State Highway Agency

About this bridge

FAU 8324 -Trimble over Stream is a concrete culvert carrying FAU 8324 -Trimble over Stream in Crawford County, Illinois. It was built in 2010, so it is 15 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 3,050 vehicles a day, roughly 5% of them trucks, projected to reach 3,485 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAU 8324 -Trimble
CrossesStream
Location0.75 MI NE Robinson
Coordinates39.01838, -87.72523
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2023)
Projected traffic3,485 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 FAU 8324 -Trimble over Stream built?

It was built in 2010, making it 15 years old in 2025.

What condition is FAU 8324 -Trimble over Stream 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 August 2024.

How much traffic does FAU 8324 -Trimble over Stream carry?

About 3,050 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FAU 8324 -Trimble over Stream?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns FAU 8324 -Trimble over Stream?

It is owned by the State Highway Agency.