US Bridges

US 34 over Lone Tree Creek

Fair

Henderson County, Illinois · 6.5 MI W Biggsville · Structure no. 036005300000000

Built
2002
23 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
68 ft
3 main spans
Daily traffic
6,050
2023 count
Owner
State
State Highway Agency

About this bridge

US 34 over Lone Tree Creek is a concrete continuous slab carrying US 34 over Lone Tree Creek in Henderson County, Illinois. It was built in 2002, so it is 23 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 6 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 6,050 vehicles a day, roughly 24% of them trucks, projected to reach 5,959 by 2046. The structure is 68 ft (20.7 m) long and 43 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

CarriesUS 34
CrossesLone Tree Creek
Location6.5 MI W Biggsville
RouteU.S. Route 34
Coordinates40.84593, -90.98544
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span25 ft (7.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,050 (2023)
Projected traffic5,959 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 34 over Lone Tree Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is US 34 over Lone Tree 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 November 2023.

How much traffic does US 34 over Lone Tree Creek carry?

About 6,050 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US 34 over Lone Tree Creek?

The structure is 68 ft (20.7 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.

Who owns US 34 over Lone Tree Creek?

It is owned by the State Highway Agency.