US Bridges

Monon CO Rt 25 over Days Run

Good

Monongalia County, West Virginia · 0.24 MI North CO Rt 20 · Structure no. 00000000031A076

Built
1986
39 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
350
2022 count
Owner
State
State Highway Agency

About this bridge

Monon CO Rt 25 over Days Run is a prestressed concrete box beam or girders - multiple carrying Monon CO Rt 25 over Days Run in Monongalia County, West Virginia. It was built in 1986, so it is 39 years old, younger than the West Virginia average of 44.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 6% of them trucks, projected to reach 540 by 2041. The structure is 63 ft (19.1 m) long and 24 ft wide.

CarriesMonon CO Rt 25
CrossesDays Run
Location0.24 MI North CO Rt 20
RouteCounty Highway 2500
Coordinates39.67681, -80.19704
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span58 ft (17.7 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic540 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Monon CO Rt 25 over Days Run built?

It was built in 1986, making it 39 years old in 2025.

What condition is Monon CO Rt 25 over Days Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Monon CO Rt 25 over Days Run carry?

About 350 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Monon CO Rt 25 over Days Run?

The structure is 63 ft (19.1 m) long with a longest span of 58 ft (17.7 m) and a deck 24 ft wide.

Who owns Monon CO Rt 25 over Days Run?

It is owned by the State Highway Agency.