US Bridges

Spur 503 over Waterloo Creek

Fair

Grayson County, Texas · 1.60 MI E of US 75 · Structure no. 010920004719254

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
55 ft
6 main spans
Daily traffic
11,904
2020 count
Owner
State
State Highway Agency

About this bridge

Spur 503 over Waterloo Creek is a concrete culvert carrying Spur 503 over Waterloo Creek in Grayson County, Texas. It was built in 1984, so it is 41 years old, younger 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 11,904 vehicles a day, roughly 10% of them trucks, projected to reach 14,420 by 2033. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSpur 503
CrossesWaterloo Creek
Location1.60 MI E of US 75
RouteState Highway 503
CountyGrayson County
StateTexas
Coordinates33.7204, -96.56558
Functional classUrban Other Principal 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
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,904 (2020)
Projected traffic14,420 by 2033
Trucks10%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Spur 503 over Waterloo Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Spur 503 over Waterloo 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 Spur 503 over Waterloo Creek carry?

About 11,904 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Spur 503 over Waterloo Creek?

The structure is 55 ft (16.8 m) long with a longest span of 7 ft (2.1 m).

Who owns Spur 503 over Waterloo Creek?

It is owned by the State Highway Agency.