US Bridges

US 24(WB)/ Broadwa over Miss. R/Streets/Bnrr

Fair

Adams County, Illinois · W Edge Dwntwn Quincy · Structure no. 001006800000000

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Stayed Girder
Steel Continuous
Length
4,508 ft
3 main spans
Daily traffic
8,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 24(WB)/ Broadwa over Miss. R/Streets/Bnrr is a steel continuous stayed girder carrying US 24(WB)/ Broadwa over Miss. R/Streets/Bnrr in Adams County, Illinois. It was built in 1986, so it is 39 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 8,600 vehicles a day, roughly 8% of them trucks, projected to reach 8,787 by 2046. The structure is 4,508 ft (1,374.1 m) long and 47 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesUS 24(WB)/ Broadwa
CrossesMiss. R/Streets/Bnrr
LocationW Edge Dwntwn Quincy
RouteU.S. Route 24
CountyAdams County
StateIllinois
Coordinates39.93582, -91.41203
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44.6 US tons

Structure

Structure typeStayed Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+16 approach)
Design loadHS 20
Structure length4,508 ft (1,374.1 m)
Longest span900 ft (274.3 m)
Deck width47 ft (14.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2023)
Projected traffic8,787 by 2046
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 24(WB)/ Broadwa over Miss. R/Streets/Bnrr built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 24(WB)/ Broadwa over Miss. R/Streets/Bnrr 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 August 2024.

How much traffic does US 24(WB)/ Broadwa over Miss. R/Streets/Bnrr carry?

About 8,600 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 24(WB)/ Broadwa over Miss. R/Streets/Bnrr?

The structure is 4,508 ft (1,374.1 m) long with a longest span of 900 ft (274.3 m) and a deck 47 ft wide.

Who owns US 24(WB)/ Broadwa over Miss. R/Streets/Bnrr?

It is owned by the State Highway Agency.