US Bridges

Nichols Sawmill RD over Threemile Creek

Fair

Montgomery County, Texas · 1.63 MI from Waller C/L · Structure no. 121700AA0993001

Built
1986
39 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
172 ft
4 main spans
Daily traffic
5,007
2016 count
Owner
County
County Highway Agency

About this bridge

Nichols Sawmill RD over Threemile Creek is a steel stringer/multi-beam or girder carrying Nichols Sawmill RD over Threemile Creek in Montgomery County, Texas. It was built in 1986, so it is 39 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 5,007 vehicles a day, roughly 5% of them trucks, projected to reach 1,100 by 2033. The structure is 172 ft (52.4 m) long and 28 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesNichols Sawmill RD
CrossesThreemile Creek
Location1.63 MI from Waller C/L
RouteCounty Highway 0
CountyMontgomery County
StateTexas
Coordinates30.11573, -95.77471
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans4
Design loadUnknown
Structure length172 ft (52.4 m)
Longest span43 ft (13.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,007 (2016)
Projected traffic1,100 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Nichols Sawmill RD over Threemile Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nichols Sawmill RD over Threemile 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 August 2023.

How much traffic does Nichols Sawmill RD over Threemile Creek carry?

About 5,007 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Nichols Sawmill RD over Threemile Creek?

The structure is 172 ft (52.4 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.

Who owns Nichols Sawmill RD over Threemile Creek?

It is owned by the County Highway Agency.