US Bridges

Luther RD over County Ditch No 1

Fair

Whiteside County, Illinois · 3 MI NE of Tampico · Structure no. 098566200000000

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
33 ft
1 main span
Daily traffic
150
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Luther RD over County Ditch No 1 is a concrete channel beam carrying Luther RD over County Ditch No 1 in Whiteside County, Illinois. It was built in 1975, so it is 50 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 150 vehicles a day, projected to reach 152 by 2046. The structure is 33 ft (10.2 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLuther RD
CrossesCounty Ditch No 1
Location3 MI NE of Tampico
RouteCounty Highway 0
Coordinates41.66844, -89.76707
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
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length33 ft (10.2 m)
Longest span31 ft (9.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic152 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Luther RD over County Ditch No 1 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Luther RD over County Ditch No 1 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 October 2023.

How much traffic does Luther RD over County Ditch No 1 carry?

About 150 vehicles per day (2022 count).

How long is Luther RD over County Ditch No 1?

The structure is 33 ft (10.2 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.

Who owns Luther RD over County Ditch No 1?

It is owned by the Town or Township Highway Agency.