US Bridges

FAU 6923 over Lamoine River

Good

McDonough County, Illinois · SE-26-T6NR3W · Structure no. 055600200000000

Built
2014
11 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
202 ft
4 main spans
Daily traffic
600
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 6923 over Lamoine River is a prestressed concrete box beam or girders - multiple carrying FAU 6923 over Lamoine River in McDonough County, Illinois. It was built in 2014, so it is 11 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 600 vehicles a day, roughly 4% of them trucks, projected to reach 606 by 2046. The structure is 202 ft (61.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAU 6923
CrossesLamoine River
LocationSE-26-T6NR3W
Coordinates40.4748, -90.69481
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length202 ft (61.5 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2021)
Projected traffic606 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 6923 over Lamoine River built?

It was built in 2014, making it 11 years old in 2025.

What condition is FAU 6923 over Lamoine River 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 FAU 6923 over Lamoine River carry?

About 600 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 6923 over Lamoine River?

The structure is 202 ft (61.5 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns FAU 6923 over Lamoine River?

It is owned by the City or Municipal Highway Agency.