US Bridges

MORTONAVE-FAU6729 over I-74

Fair

Tazewell County, Illinois · Morton Interchange · Structure no. 090014100000000

Built
1994
31 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
2 main spans
Daily traffic
13,200
2023 count
Owner
State
State Highway Agency

About this bridge

MORTONAVE-FAU6729 over I-74 is a steel continuous stringer/multi-beam or girder carrying MORTONAVE-FAU6729 over I-74 in Tazewell County, Illinois. It was built in 1994, so it is 31 years old, younger 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 13,200 vehicles a day, roughly 7% of them trucks, projected to reach 12,928 by 2046. The structure is 254 ft (77.4 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMORTONAVE-FAU6729
CrossesI-74
LocationMorton Interchange
CountyTazewell County
StateIllinois
Coordinates40.62181, -89.46446
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2022
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 geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span109 ft (33.2 m)
Deck width103 ft (31.5 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,200 (2023)
Projected traffic12,928 by 2046
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was MORTONAVE-FAU6729 over I-74 built?

It was built in 1994, making it 31 years old in 2025.

What condition is MORTONAVE-FAU6729 over I-74 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 December 2022.

How much traffic does MORTONAVE-FAU6729 over I-74 carry?

About 13,200 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is MORTONAVE-FAU6729 over I-74?

The structure is 254 ft (77.4 m) long with a longest span of 109 ft (33.2 m) and a deck 103 ft wide.

Who owns MORTONAVE-FAU6729 over I-74?

It is owned by the State Highway Agency.