US Bridges

Co. HWY 27 over Haw Creek

Fair

Knox County, Illinois · CTR-19-T10NR3E · Structure no. 048321400000000

Built
1976
49 years old, rebuilt 1996
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
115 ft
3 main spans
Daily traffic
125
2022 count
Owner
County
County Highway Agency

About this bridge

Co. HWY 27 over Haw Creek is a prestressed concrete box beam or girders - multiple carrying Co. HWY 27 over Haw Creek in Knox County, Illinois. It was built in 1976 and reconstructed in 1996, so it is 49 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 125 vehicles a day, roughly 42% of them trucks, projected to reach 227 by 2046. The structure is 115 ft (35.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCo. HWY 27
CrossesHaw Creek
LocationCTR-19-T10NR3E
RouteCounty Highway 0
CountyKnox County
StateIllinois
Coordinates40.83744, -90.20722
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionFebruary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length115 ft (35.2 m)
Longest span38 ft (11.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic227 by 2046
Trucks42%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Co. HWY 27 over Haw Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1996.

What condition is Co. HWY 27 over Haw Creek 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 February 2024.

How much traffic does Co. HWY 27 over Haw Creek carry?

About 125 vehicles per day (2022 count), of which roughly 42% are trucks.

How long is Co. HWY 27 over Haw Creek?

The structure is 115 ft (35.2 m) long with a longest span of 38 ft (11.6 m) and a deck 27 ft wide.

Who owns Co. HWY 27 over Haw Creek?

It is owned by the County Highway Agency.