US Bridges

Mastin St. SB over Indian Ck N Branch

Fair

Johnson County, Kansas · 600 N of College Blvd · Structure no. 521950460000075

Built
1980
45 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
98 ft
3 main spans
Daily traffic
4,500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mastin St. SB over Indian Ck N Branch is a prestressed concrete continuous tee beam carrying Mastin St. SB over Indian Ck N Branch in Johnson County, Kansas. It was built in 1980, so it is 45 years old, younger 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 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 4,500 vehicles a day, roughly 2% of them trucks, projected to reach 5,500 by 2044. The structure is 98 ft (29.9 m) long and 42 ft wide.

CarriesMastin St. SB
CrossesIndian Ck N Branch
Location600 N of College Blvd
RouteCity Street 0
StateKansas
Coordinates38.9292, -94.70071
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span45 ft (13.6 m)
Deck width42 ft (12.8 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic4,500 (2024)
Projected traffic5,500 by 2044
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$250,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mastin St. SB over Indian Ck N Branch built?

It was built in 1980, making it 45 years old in 2025.

What condition is Mastin St. SB over Indian Ck N Branch 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 Mastin St. SB over Indian Ck N Branch carry?

About 4,500 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Mastin St. SB over Indian Ck N Branch?

The structure is 98 ft (29.9 m) long with a longest span of 45 ft (13.6 m) and a deck 42 ft wide.

Who owns Mastin St. SB over Indian Ck N Branch?

It is owned by the City or Municipal Highway Agency.