US Bridges

Ky 2921 over Humphreys Branch

Good

Campbell County, Kentucky · .2 Miles N of JCT CR 5007 · Structure no. 019B00089N

Built
2016
9 years old
Condition
Good
inspected August 2021
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
225
2021 count
Owner
State
State Highway Agency

About this bridge

Ky 2921 over Humphreys Branch is a prestressed concrete box beam or girders - single or spread carrying Ky 2921 over Humphreys Branch in Campbell County, Kentucky. It was built in 2016, so it is 9 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 225 vehicles a day, projected to reach 225 by 2041. The structure is 56 ft (17 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKy 2921
CrossesHumphreys Branch
Location.2 Miles N of JCT CR 5007
RouteState Highway 2921
Coordinates38.95667, -84.31833
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length56 ft (17 m)
Longest span53 ft (16.2 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2021)
Projected traffic225 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 Ky 2921 over Humphreys Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is Ky 2921 over Humphreys Branch 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 August 2021.

How much traffic does Ky 2921 over Humphreys Branch carry?

About 225 vehicles per day (2021 count).

How long is Ky 2921 over Humphreys Branch?

The structure is 56 ft (17 m) long with a longest span of 53 ft (16.2 m) and a deck 25 ft wide.

Who owns Ky 2921 over Humphreys Branch?

It is owned by the State Highway Agency.