US Bridges

Old Morris Bridge over Cowhouse Creek

Fair

Hillsborough County, Florida · 1.1MI S of CR-579 · Structure no. 104102

Built
1961
64 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Prestressed Concrete
Length
133 ft
5 main spans
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

Old Morris Bridge over Cowhouse Creek is a prestressed concrete channel beam carrying Old Morris Bridge over Cowhouse Creek in Hillsborough County, Florida. It was built in 1961, so it is 64 years old, older than the Florida average of 41.3 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 75 by 2044. The structure is 133 ft (40.5 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOld Morris Bridge
CrossesCowhouse Creek
Location1.1MI S of CR-579
RouteCounty Highway 0
StateFlorida
Coordinates28.05809, -82.35241
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating32.3 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length133 ft (40.5 m)
Longest span27 ft (8.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic75 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old Morris Bridge over Cowhouse Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Old Morris Bridge over Cowhouse Creek 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 January 2024.

How much traffic does Old Morris Bridge over Cowhouse Creek carry?

About 60 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Old Morris Bridge over Cowhouse Creek?

The structure is 133 ft (40.5 m) long with a longest span of 27 ft (8.3 m) and a deck 26 ft wide.

Who owns Old Morris Bridge over Cowhouse Creek?

It is owned by the County Highway Agency.