US Bridges

US 51/IL 16 over Becks Cr. Trib.

Fair

Christian County, Illinois · .2M W US 51 - E Pana · Structure no. 011000600000000

Built
1923
102 years old, rebuilt 1966
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
6,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 51/IL 16 over Becks Cr. Trib. is a concrete slab carrying US 51/IL 16 over Becks Cr. Trib. in Christian County, Illinois. It was built in 1923 and reconstructed in 1966, so it is 102 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 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 6,600 vehicles a day, roughly 14% of them trucks, projected to reach 6,818 by 2046. The structure is 24 ft (7.4 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 51/IL 16
CrossesBecks Cr. Trib.
Location.2M W US 51 - E Pana
RouteU.S. Route 51
Coordinates39.38871, -89.04896
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span23 ft (6.9 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2023)
Projected traffic6,818 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 51/IL 16 over Becks Cr. Trib. built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1966.

What condition is US 51/IL 16 over Becks Cr. Trib. 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 US 51/IL 16 over Becks Cr. Trib. carry?

About 6,600 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 51/IL 16 over Becks Cr. Trib.?

The structure is 24 ft (7.4 m) long with a longest span of 23 ft (6.9 m) and a deck 47 ft wide.

Who owns US 51/IL 16 over Becks Cr. Trib.?

It is owned by the State Highway Agency.