US Bridges

Jesup RD over Trib to Spring Creek

Fair

Black Hawk County, Iowa · 88-11-23-02-10 · Structure no. 000000000074970

Built
1924
101 years old, rebuilt 1976
Condition
Fair
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
393
2022 count
Owner
County
County Highway Agency

About this bridge

Jesup RD over Trib to Spring Creek is a prestressed concrete tee beam carrying Jesup RD over Trib to Spring Creek in Black Hawk County, Iowa. It was built in 1924 and reconstructed in 1976, so it is 101 years old, older than the Iowa average of 45.5 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 393 vehicles a day, roughly 20% of them trucks, projected to reach 393 by 2043. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesJesup RD
CrossesTrib to Spring Creek
Location88-11-23-02-10
RouteCounty Highway 0
StateIowa
Coordinates42.42198, -92.10333
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic393 (2022)
Projected traffic393 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jesup RD over Trib to Spring Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1976.

What condition is Jesup RD over Trib to Spring 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 December 2023.

How much traffic does Jesup RD over Trib to Spring Creek carry?

About 393 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Jesup RD over Trib to Spring Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns Jesup RD over Trib to Spring Creek?

It is owned by the County Highway Agency.