US Bridges

IH 35 Nbml over Clear Creek Relief

Fair

Denton County, Texas · 2.40 MI S of FM 455 · Structure no. 180610019502055

Built
1958
67 years old, rebuilt 1989
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
212 ft
7 main spans
Daily traffic
36,220
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbml over Clear Creek Relief is a concrete stringer/multi-beam or girder carrying IH 35 Nbml over Clear Creek Relief in Denton County, Texas. It was built in 1958 and reconstructed in 1989, so it is 67 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 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 36,220 vehicles a day, roughly 26% of them trucks, projected to reach 36,840 by 2033. The structure is 212 ft (64.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Nbml
CrossesClear Creek Relief
Location2.40 MI S of FM 455
RouteInterstate 35
StateTexas
Coordinates33.33313, -97.1809
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,220 (2023)
Projected traffic36,840 by 2033
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 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$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 Nbml over Clear Creek Relief built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1989.

What condition is IH 35 Nbml over Clear Creek Relief 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 35 Nbml over Clear Creek Relief carry?

About 36,220 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is IH 35 Nbml over Clear Creek Relief?

The structure is 212 ft (64.6 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns IH 35 Nbml over Clear Creek Relief?

It is owned by the State Highway Agency.