US Bridges

SH 56 over Calf Creek

Fair

Grayson County, Texas · 0.05 MI E of FM 1417 · Structure no. 010920004504018

Built
1930
95 years old, rebuilt 1955
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
3,391
2018 count
Owner
State
State Highway Agency

About this bridge

SH 56 over Calf Creek is a concrete culvert carrying SH 56 over Calf Creek in Grayson County, Texas. It was built in 1930 and reconstructed in 1955, so it is 95 years old, older than the Texas average of 44.4 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 3,391 vehicles a day, roughly 4% of them trucks, projected to reach 4,250 by 2033. The structure is 22 ft (6.7 m) long and 74 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesSH 56
CrossesCalf Creek
Location0.05 MI E of FM 1417
RouteState Highway 56
CountyGrayson County
StateTexas
Coordinates33.64027, -96.56552
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width74 ft (22.7 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,391 (2018)
Projected traffic4,250 by 2033
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 56 over Calf Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1955.

What condition is SH 56 over Calf 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 March 2023.

How much traffic does SH 56 over Calf Creek carry?

About 3,391 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is SH 56 over Calf Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 74 ft wide.

Who owns SH 56 over Calf Creek?

It is owned by the State Highway Agency.