US Bridges

King Rd-Tr 338 over Rock Creek

Fair

Tazewell County, Illinois · CTR-36-T25NR2W · Structure no. 090319500000000

Built
1985
40 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
100
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

King Rd-Tr 338 over Rock Creek is a prestressed concrete box beam or girders - multiple carrying King Rd-Tr 338 over Rock Creek in Tazewell County, Illinois. It was built in 1985, so it is 40 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 101 by 2046. The structure is 67 ft (20.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesKing Rd-Tr 338
CrossesRock Creek
LocationCTR-36-T25NR2W
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.57905, -89.27996
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
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span64 ft (19.5 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic101 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 King Rd-Tr 338 over Rock Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is King Rd-Tr 338 over Rock 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 January 2024.

How much traffic does King Rd-Tr 338 over Rock Creek carry?

About 100 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is King Rd-Tr 338 over Rock Creek?

The structure is 67 ft (20.4 m) long with a longest span of 64 ft (19.5 m) and a deck 26 ft wide.

Who owns King Rd-Tr 338 over Rock Creek?

It is owned by the Town or Township Highway Agency.