US Bridges

US166 HWY EB over UP Railroad

Fair

Montgomery County, Kansas · 14.21 MI E Sjct US75 EB · Structure no. 999916600630411

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
449 ft
8 main spans
Daily traffic
2,627
2023 count
Owner
State
State Highway Agency

About this bridge

US166 HWY EB over UP Railroad is a steel continuous girder and floorbeam system carrying US166 HWY EB over UP Railroad in Montgomery County, Kansas. It was built in 1970, so it is 55 years old, older than the Kansas average of 52.8 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 2,627 vehicles a day, roughly 11% of them trucks, projected to reach 2,680 by 2044. The structure is 449 ft (137 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS166 HWY EB
CrossesUP Railroad
Location14.21 MI E Sjct US75 EB
RouteU.S. Route 166
StateKansas
Coordinates37.03611, -95.67472
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length449 ft (137 m)
Longest span75 ft (22.9 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,627 (2023)
Projected traffic2,680 by 2044
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 US166 HWY EB over UP Railroad built?

It was built in 1970, making it 55 years old in 2025.

What condition is US166 HWY EB over UP Railroad 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 March 2024.

How much traffic does US166 HWY EB over UP Railroad carry?

About 2,627 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US166 HWY EB over UP Railroad?

The structure is 449 ft (137 m) long with a longest span of 75 ft (22.9 m) and a deck 42 ft wide.

Who owns US166 HWY EB over UP Railroad?

It is owned by the State Highway Agency.