US Bridges

Fremont ST FAU 679 over US 34 Bypass

Fair

Knox County, Illinois · 1.13 M N of IL41/164 · Structure no. 048006900000000

Built
1971
54 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
205 ft
2 main spans
Daily traffic
1,000
2022 count
Owner
State
State Highway Agency

About this bridge

Fremont ST FAU 679 over US 34 Bypass is a steel continuous stringer/multi-beam or girder carrying Fremont ST FAU 679 over US 34 Bypass in Knox County, Illinois. It was built in 1971, so it is 54 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.

It carries about 1,000 vehicles a day, roughly 4% of them trucks, projected to reach 1,465 by 2046. The structure is 205 ft (62.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFremont ST FAU 679
CrossesUS 34 Bypass
Location1.13 M N of IL41/164
CountyKnox County
StateIllinois
Coordinates40.96243, -90.40291
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span87 ft (26.5 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,465 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$758,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fremont ST FAU 679 over US 34 Bypass built?

It was built in 1971, making it 54 years old in 2025.

What condition is Fremont ST FAU 679 over US 34 Bypass 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 January 2024.

How much traffic does Fremont ST FAU 679 over US 34 Bypass carry?

About 1,000 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Fremont ST FAU 679 over US 34 Bypass?

The structure is 205 ft (62.5 m) long with a longest span of 87 ft (26.5 m) and a deck 32 ft wide.

Who owns Fremont ST FAU 679 over US 34 Bypass?

It is owned by the State Highway Agency.