US Bridges

IH 35W SB Ml over Denton Crk

Fair

Denton County, Texas · 1.00 MI S of FM 1171 · Structure no. 180610008113116

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
279 ft
3 main spans
Daily traffic
24,816
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35W SB Ml over Denton Crk is a steel continuous stringer/multi-beam or girder carrying IH 35W SB Ml over Denton Crk in Denton County, Texas. It was built in 1969, so it is 56 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 24,816 vehicles a day, roughly 14% of them trucks, projected to reach 24,810 by 2033. The structure is 279 ft (85 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIH 35W SB Ml
CrossesDenton Crk
Location1.00 MI S of FM 1171
RouteInterstate 35
CountyDenton County
StateTexas
Coordinates33.05238, -97.25108
Functional classUrban Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length279 ft (85 m)
Longest span75 ft (22.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,816 (2019)
Projected traffic24,810 by 2033
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35W SB Ml over Denton Crk built?

It was built in 1969, making it 56 years old in 2025.

What condition is IH 35W SB Ml over Denton Crk 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 September 2023.

How much traffic does IH 35W SB Ml over Denton Crk carry?

About 24,816 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is IH 35W SB Ml over Denton Crk?

The structure is 279 ft (85 m) long with a longest span of 75 ft (22.9 m) and a deck 35 ft wide.

Who owns IH 35W SB Ml over Denton Crk?

It is owned by the State Highway Agency.