US Bridges

Mo 13 S over Cypress CR

Fair

Harrison County, Missouri · S 25 T 62 N R 28 W · Structure no. 5693

Built
1937
88 years old, rebuilt 2007
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
223 ft
5 main spans
Daily traffic
864
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 13 S over Cypress CR is a steel stringer/multi-beam or girder carrying Mo 13 S over Cypress CR in Harrison County, Missouri. It was built in 1937 and reconstructed in 2007, so it is 88 years old, older than the Missouri average of 45.1 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 864 vehicles a day, roughly 17% of them trucks, projected to reach 1,123 by 2044. The structure is 223 ft (68 m) long and 25 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesMo 13 S
CrossesCypress CR
LocationS 25 T 62 N R 28 W
RouteState Highway 13
CountyHarrison County
StateMissouri
Coordinates40.13763, -94.00924
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
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 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 rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length223 ft (68 m)
Longest span53 ft (16.3 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic864 (2024)
Projected traffic1,123 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 13 S over Cypress CR built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2007.

What condition is Mo 13 S over Cypress CR 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 October 2023.

How much traffic does Mo 13 S over Cypress CR carry?

About 864 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Mo 13 S over Cypress CR?

The structure is 223 ft (68 m) long with a longest span of 53 ft (16.3 m) and a deck 25 ft wide.

Who owns Mo 13 S over Cypress CR?

It is owned by the State Highway Agency.